FED-STD-H28-2 Revision B:1991
Current
The latest, up-to-date edition.
Screw-Thread Standards for Federal Services Section 2 Unified Inch Screw Threads- UN and UNR Thread Forms
08-20-1991
Specifies unified UN and UNR inch screw threads. Coverage includes: preferred non standard diameters; diameter pitch combinations; thread class selection; thread allowance and tolerance; completely formed threads; incomplete formed threads; gages and gaging; preferred non standard diameters. Also contains detailed tables and diagrams.
This section provides the standard for unified inch screw threads to be used by the Federal Services.
DevelopmentNote |
Supersedes FED STD H28/3. B NOTICE 1 - Notice of Validation. (10/2001) B NOTICE 2 - Notice of Validation. (11/2006)
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DocumentType |
Standard
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Pages |
78
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ProductNote |
NEW CHILD NOT 3 2019 IS NOW ADDED.
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PublisherName |
US Military Specs/Standards/Handbooks
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Status |
Current
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Supersedes |
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MIL-E-24269 Revision B:1988 | EXTINGUISHER, FIRE, CARBON DIOXIDE, 15 POUND, PORTABLE, PERMANENT SHUTOFF, NAVY SHIPBOARD USE |
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MIL-S-45909 Revision C:1989 | STUD, LOCKED IN - RING LOCKED SERRATED |
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MIL-I-8846 Revision D:1994 | INSERT, SCREW THREAD, HELICAL COIL |
MIL-B-45908 Revision B:1985 | BOLT, EYE, GENERAL SPECIFICATION FOR |
MIL-D-28728 Revision B:1986 | DIAL, CONTROL, MULTI-TURN COUNTERS, GENERAL SPECIFICATION FOR |
MIL-S-45915 Revision A:1967 | STUD, LOCKED IN - KEY LOCKED - GENERAL SPECIFICATION FOR |
MIL-B-28658 Revision E:1991 | BUILDING COMPONENTS, PANELIZED, PREFABRICATED, READY-CUT, RELOCATABLE |
MIL-DTL-24646 Revision C:2015 | FUSE BOXES, GENERAL SPECIFICATION FOR |
MIL-DTL-2726 Revision C:2006 | RECEPTACLE, RECEPTACLE PLUGS, SWITCH AND RECEPTACLES, AND OUTLETS (ELECTRICAL), GENERAL SPECIFICATION FOR |
MS39207 Revision H:2018 | Elbows, Tube - Safety Sleeve Compression Type, 90 Degree |
SAE AS 4891 : 1999 | STUD, LOCKED IN, KEY LOCKED, UNS S66286, CLASSIFICATION: 140 KSI PROCUREMENT SPECIFICATION FOR |
MIL B 45912 : A | BOLT, SELF-LOCKING, HEXAGON HEAD, STEEL |
MIL-G-25507 Revision B:1991 | GAGE, PRESSURE, DIAL INDICATING, OXYGEN 0-2000 PSI |
SAE AS 5356 : 2017 | COUPLING, FUEL LINE, FLEXIBLE, 125 PSI GENERAL SPECIFICATION FOR |
MIL E 17807 : C | ELEVATOR, WEAPON AND CARGO, ELECTROMECHANICAL (SHIPBOARD) |
MIL S 1222 : H | STUD, BOLTS, HEX CAP SCREWS, SOCKET HEAD CAP SCREWS AND NUTS |
MIL-DTL-24552 Revision B:2001 | TERMINALS AND SEALS, PLUGS AND SWITCH, CASUALTY POWER SYSTEMS, RECEPTACLE TYPE, GENERAL SPECIFICATION FOR |
MIL-T-14091 Revision E:1988 | TRIPOD, SURVEYING, EXTENSION-LEG-TYPE |
MIL-F-19700 Revision A:1987 | FASTENERS, SCREW THREADED, AND RELATED ITEMS, NON-MAGNETIC |
MIL-DTL-32408 Base Document:2012 | INTEGRAL MOTOR PUMP (IMP) |
MIL T 24552 : A | TERMINALS AND PLUGS, CASUALTY POWER SYSTEMS, RECEPTACLE TYPE, GENERAL SPECIFICATION FOR |
MIL-V-24272 Revision B:1985 | Valve Manifold, High-Pressure Gas Reducing |
MIL-DTL-24705 Revision B:2010 | PENETRATORS, MULTIPLE CABLE, ELECTRIC CABLE, GENERAL SPECIFICATION FOR |
MIL-R-52255 Revision D:1988 | REPAIR KIT AND REPAIR KIT COMPONENTS, FOR COLLAPSIBLE FABRIC TANKS, DRUMS, AND BOATS |
MIL F 1224 : D | FITTINGS, TUBE, BRASS OR BRONZE, 45 DEGREE FLARED |
MS9194 Revision C:2010 | Elbow, Tube - SAE-AMS5646, Boss, 90 Degrees |
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MS39137 Revision H:2010 | ADAPTER BODY, AUTOMOTIVE AIR BRAKE |
MIL H 13719 : D | HOSE ASSEMBLY, RUBBER, HYDRAULIC BRAKE |
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MIL-V-24740 Base Document:1990 | VALVE, SAFETY, BOILER, REMOTE PILOT OPERATED, FOR SHIPBOARD USE |
MIL-E-24142 Revision B:1984 | ENCLOSURE FOR ELECTRICAL FITTINGS AND FIXTURES, GENERAL SPECIFICATION FOR |
NASA SSTD 8070 0098 : 2012 | MACHINE SHOP TOLERANCES |
NASM 35649 : 2002 | NUT, PLAIN, HEXAGON, MACHINE SCREW UNC-2B |
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MS51531 Revision B:1985 | NUT, TUBE COUPLING, 37 DEGREE FLARED |
MIL-I-45914 Revision A:1991 | INSERT, SCREW THREAD - LOCKED IN, KEY LOCKED |
MIL-V-2961 Revision D:1990 | VALVES, GLOBE, PRESSURE REDUCING, GAS SERVICE |
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DOD-M-24672 Base Document:1986 | MOLDS, AND MOLD HEATING PLATEN FOR MOLDING ELECTRICAL CONNECTORS AND CABLES (METRIC) |
DOD-B-15072 Revision E:1981 | BATTERIES, STORAGE, LEAD-ACID, PORTABLE |
MIL-DTL-2 Revision G:2006 | VALVES, CYLINDER, GAS (FOR COMPRESSED OR LIQUEFIED GASES), GENERAL SPECIFICATION FOR |
MS9195 Revision B:2010 | ELBOW, TUBE - SAE-AMS5639, BOSS, 45 DEGREES |
MS39021 Revision F:1991 | SPEEDOMETER MECHANICAL (0-60MPH) |
FED-STD-H28-6 Revision A:1978 | SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 6 GAGES AND GAGING FOR UNIFIED SCREW THREADS-UN AND UNR THREAD FORMS |
A-A-55606 Revision A:2013 | Anchor, Guy, and Rods, Anchor |
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MIL-DTL-81722 Revision B:2017 | VALVE, INFLATION, LIFE RAFT, FLU-6/P |
FF-N-836 Revision E:1994 | Nut: Square, Hexagon, Cap, Slotted, Castle, Knurled, Welding and Single Ball Seat |
SAE AS 45909 : 2015 | STUD, LOCKED IN, RING LOCKED, SERRATED, GENERAL SPECIFICATION FOR |
MS24693 Revision K:1995 | SCREW, MACHINE, FLAT COUNTERSUNK HEAD, 100 DEG, CROSS RECESSED, UNC-2A AND UNF-2A (IN./MM) |
MIL-DTL-13791 Revision H:2015 | DISTRIBUTOR, IGNITION SYSTEM: INTEGRAL COIL, WATERPROOF 24 VOLT |
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MIL-DTL-45910 Revision D:2015 | INSERT, SCREW THREAD-LOCKED IN AND RING LOCKED, SERRATED GENERAL SPECIFICATION FOR |
MIL-HDBK-454 Revision B:2007 | GENERAL GUIDELINES FOR ELECTRONIC EQUIPMENT |
FF-S-210 Revision B:1981 | SETSCREWS, SQUARE HEAD (INCH) AND SLOTTED HEADLESS (INCH AND METRIC) |
MS9196 Revision C:2015 | TEE, TUBE - SAE-AMS5646, BOSS |
FED-STD-H28 Revision A:1994 | Screw-Thread Standards for Federal Services |
DOD-B-24541 Revision A:1982 | BATTERY CELLS AND ELEMENTS, LEAD-ACID, MAIN STORAGE, SUBMARINE; GENERAL SPECIFICATION FOR (METRIC) |
MIL-S-7742 Revision D:1991 | SCREW THREADS, STANDARD, OPTIMUM SELECTED SERIES, GENERAL SPECIFICATION FOR |
MIL-C-24224 Revision B:1985 | CARTRIDGE, GAS PRESSURE, FOR PRESSURIZING DRY CHEMICAL FIRE EXTINGUISHERS |
13/30285934 DC : 0 | BS EN 3545-005 - AEROSPACE SERIES - CONNECTORS, ELECTRICAL, RECTANGULAR, WITH SEALED AND NON-SEALED REAR, PLASTIC HOUSING, LOCKING DEVICE, OPERATING TEMPERATURES -55 DEGREES C TO 175 DEGREES C - PART 005: MALE CODING AND ATTACHMENT SYSTEM FOR MOUNTING ON FREE HOUSING (PLUG) - PRODUCT STANDARD |
MIL-DTL-24558 Revision B:2011 | TERMINAL BOXES, CONNECTION, FOR ELECTRICAL AND ELECTRONIC SYSTEMS, GENERAL SPECIFICATION FOR |
MIL S 007742 : C | SCREW THREADS, STANDARD, OPTIMUM SELECTED SERIES: GENERAL SPECIFICATION FOR |
XP PREN 3545-006 : 1997 XP | AEROSPACE SERIES - CONNECTORS, ELECTRICAL, RECTANGULAR, WITH SEALED AND NON-SEALED REAR, PLASTIC HOUSING, LOCKING DEVICE, OPERATING TEMPERATURES -55 DEGREE C TO 175 DEGREE C - PART 006: MALE CODING AND ATTACHMENT SYSTEM FOR MOUNTING ON FIXED HOUSING (RECEPTACLE) - PRODUCT STANDARD |
MIL M 2082 : C | METERS, FLOW, MECHANICAL, VOLUMETRIC POSITIVE DISPLACEMENT, LIQUID, COLD WATER AND HOT WATER TYPE, NAVAL SHIPBOARD USE |
MIL-P-45377 Revision A:1980 | POWER SUPPLY. HIGH VOLTAGE, 24 VOLT DIRECT CURRENT |
FED-STD-H28-17 Revision A:1985 | Screw-Thread Standards for Federal Services Section 17 Surveying Instrument Mounting Threads |
MIL-DTL-9415 Revision B:2007 | DYNAMIC LOUDSPEAKER LS-184A/AIC-10 |
MIL-DTL-2726-3 Revision E:2016 | RECEPTACLE, PLUG, ELECTRICAL, 4-PIN GROUNDED, 40-AMPERE, 450-VOLT, ALTERNATING CURRENT, 60-HERTZ (SYMBOL NO. 717.1) |
MIL-DTL-17840 Revision D:2018 | PUMPS, CENTRIFUGAL, CLOSE-COUPLED, NAVY STANDARD (FOR SURFACE SHIP APPLICATION) |
MIL-DTL-2036 Revision E:2014 | ENCLOSURES FOR ELECTRIC AND ELECTRONIC EQUIPMENT, NAVAL SHIPBOARD |
NASM35308:2015 | SCREW, CAP, HEXAGON HEAD (FINISHED HEXAGON BOLT), STEEL, CORROSION RESISTING, PASSIVATED, UNF-2A |
BS EN 3545-006:2015 | Aerospace series. Connectors, electrical, rectangular, with sealed and non-sealed rear, plastic housing, locking device, operating temperatures -55°C to 175°C Male coding and attachment. System for mounting on fixed housing (receptacle). Product standard |
FF-S-1362 Revision A:2014 | STUD, PLAIN, GENERAL PURPOSE |
EN 3545-006:2015 | Aerospace series - Connectors, electrical, rectangular, with sealed and non-sealed rear, plastic housing, locking device, operating temperatures -55 °C to 175 °C - Part 006: Male coding and attachment System for mounting on fixed housing (receptacle) - Product standard |
MIL-DTL-18240 Revision F:1997 | FASTENER ELEMENT, SELF-LOCKING, THREADED FASTENER, 250 DEGREES F MAXIMUM |
MIL H 13444 : E | HOSE & HOSE ASSEMBLIES, RUBBER: FUEL AND OIL |
SAE AS 4892 : 2012 | INSERT, SCREW THREAD, SELF-LOCKING, UNS S66286, LOCKED IN, KEY LOCKED, PROCUREMENT SPECIFICATION FOR |
MIL-B-18558 Revision B:1988 | Bearing, Propulsion Line Shaft, Oil Disc Lubricated |
NASM51958:2014 | SCREW, MACHINE, PAN HEAD, CRUCIFORM RECESS, CORROSION RESISTING STEEL, UNF-2A |
MIL-C-24368 Revision B:1987 | CONNECTOR ASSEMBLIES, PLUGS AND RECEPTACLES, ELECTRIC POWER TRANSFER, SHORE TO SHIP AND SHIP TO SHIP, GENERAL SPECIFICATION FOR |
MIL P 62071 : B | POWER SUPPLY, HIGH VOLTAGE, SOLID STATE, 24 VOLTS, DIRECT CURRENT |
MIL-E-24715 Base Document:1989 | EXTINGUISHERS, FIRE. VAPORIZING LIQUID (BROMOCHLORODIFLUOROMETHANE, HALON 1211) |
MIL-DTL-2726-53 Revision B:2005 | Receptacle, Plug, Electrical, 4-Pin Grounded, 10-Ampere, 450-Volt, 60-Hertz, 3-Phase (Symbol No. 1258) |
MIL-A-55059 Revision D:1988 | ADAPTER, BATTERY TERMINAL |
MIL-C-11071 Revision D:1983 | CLEANING MACHINE, FUEL CAN, DRUM |
MIL F 10884 : G | FASTENERS, SNAP |
WW-T-696 Revision E:1984 | TRAPS, STEAM |
MIL-R-24169 Revision B:1982 | REGULATOR, AIR DEMAND, SINGLE HOSE, DIVER 5 |
MIL-S-70335 Revision A:1990 | SCREW THREADS, INTERNAL COLD FORMED, GENERAL SPECIFICATION FOR |
MIL P 24705 : A | PENETRATORS, MULTIPLE CABLE, FOR ELECTRICAL CABLES, GENERAL SPECIFICATION FOR |
MIL T 24558 : 0 | TERMINAL BOXES, CONNECTION, FOR ELECTRICAL AND ELECTRONIC SYSTEMS, GENERAL SPECIFICATION FOR |
ASME B40.200:2008(R2013) | Thermometers, Direct Reading and Remote Reading <br> |
ASME Y14.6:2001 | SCREW THREAD REPRESENTATION |
ASME Y14.6 : 2001 : R2013 | SCREW THREAD REPRESENTATION |
ASME Y14.6 : 2001 : R2007 | SCREW THREAD REPRESENTATION |
ASME B40.200 : 2008 | THERMOMETERS, DIRECT READING AND REMOTE READING |
FED-STD-H28-1 Revision A:1985 | SCREW THREAD STANDARDS FOR FEDERAL SERVICES, SECTION 1, NOMENCLATURE, DEFINITIONS AND LETTER SYMBOLS FOR SCREW THREADS |
ASME B46.1 : 2009 | SURFACE TEXTURE (SURFACE ROUGHNESS, WAVINESS, AND LAY) |
FED-STD-H28-20 Revision B:1994 | SCREW THREAD STANDARDS FOR FEDERAL SERVICES, SECTION 20, INSPECTION METHODS FOR ACCEPTABILITY OF UN, UNR, UNJ, M, AND MJ SCREW THREADS |
FED-STD-H28-6 Revision A:1978 | SCREW-THREAD STANDARDS FOR FEDERAL SERVICES SECTION 6 GAGES AND GAGING FOR UNIFIED SCREW THREADS-UN AND UNR THREAD FORMS |
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