COUPLING ASSEMBLY, HYDRAULIC, SELF SEALING, QUICK DISCONNECT, GENERAL SPECIFICATION FOR

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MIL-DTL-25427 Revision B Notice 2 - Validation:2019

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US Military Specs/Standards/Handbooks

1. SCOPE
2. APPLICABLE DOCUMENTS
3. REQUIREMENTS
4. VERIFICATION
5. PACKAGING
6. NOTES

Specifies the detailed requirements for aircraft hydraulic self sealing quick disconnect coupling for use in types I and II hydraulic systems (-65 degrees F to +275 degrees F temperature range) as defined by SAE-AS5440.

Committee	FSC 4730
DevelopmentNote	Supersedes MIL C 25427 (A). (05/2009) B NOTICE 1 - Notice of Validation. (09/2014)
DocumentType	Standard
Pages	32
ProductNote	NEW CHILD NOT 2 2019 IS NOW ADDED
PublisherName	US Military Specs/Standards/Handbooks
Status	Current
Supersedes	MIL C 25427 : A

SAE ARP 4925 : 2014	AEROSPACE DESIGN AND INSTALLATION OF COMMERCIAL TRANSPORT HELICOPTER HYDRAULIC SYSTEMS
DEFSTAN 00-970(PT0)/9(2012) : 2012	DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/17(2016) : 2016	DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/14(2014) : 2014	DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/7(2011) : 2011	DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/15(2015) : 2015	DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/12(2014) : 2014	DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/13(2014) : 2014	DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/11(2013) : 2013	DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/8(2011) : 2011	DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/16(2015) : 2015	DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS
DEFSTAN 00-970(PT0)/10(2013) : 2013	DESIGN AND AIRWORTHINESS REQUIREMENTS FOR SERVICE AIRCRAFT - PART 0: PROCEDURES FOR USE, CONTENT AND DEFINITIONS

SAE AMS5659S : 2016	Steel, Corrosion-Resistant, Bars, Wire, Forgings, Rings, and Extrusions 15Cr - 4.5Ni - 0.30Cb (Nb) - 3.5Cu<br>
SAE AMS QQ A 225/9 : 2014	ALUMINUM ALLOY 7075, BAR, ROD, WIRE, AND SPECIAL SHAPES; ROLLED, DRAWN, OR COLD FINISHED
MIL-STD-129 Revision R:2014	Military Marking for Shipment and Storage
SAE AMS QQ P 416 : 2016	PLATING, CADMIUM (ELECTRODEPOSITED)
MIL-STD-130 Revision N:2007	IDENTIFICATION MARKING OF U.S. MILITARY PROPERTY
SAE AS 603 : 2015	IMPULSE TESTING OF HYDRAULIC HOSE, TUBING, AND FITTING ASSEMBLIES
MIL-STD-810 Revision G:2008	ENVIRONMENTAL ENGINEERING CONSIDERATIONS AND LABORATORY TESTS
MIL-PRF-5606 Revision H:2002	HYDRAULIC FLUID, PETROLEUM BASE; AIRCRAFT, MISSILE, AND ORDNANCE
SAE AMS 5643 : 2016	STEEL, CORROSION-RESISTANT, BARS, WIRE, FORGINGS, MECHANICAL TUBING, AND RINGS, 16CR - 4.0NI - 0.30CB (NB) - 4.0CU, SOLUTION HEAT TREATED, PRECIPITATION HARDENABLE
MIL-HDBK-831 Revision A:2013	PREPARATION OF TEST REPORTS
ASME B46.1 : 2009	SURFACE TEXTURE (SURFACE ROUGHNESS, WAVINESS, AND LAY)
SAE AMS 5085 : 2017	STEEL SHEET, STRIP, AND PLATE, 0.48 - 0.55C (SAE 1050)
SAE AMS P 83461 : 1998	Packing, Preformed, Petroleum Hydraulic Fluid Resistant, Improved Performance at 275°F (135°C)
SAE AMS 4965 : 2014	TITANIUM ALLOY, BARS, WIRE, FORGINGS, AND RINGS, 6.0AL 4.0V, SOLUTION HEAT TREATED AND AGED
MIL-PRF-87257 Revision C:2017	HYDRAULIC FLUID, FIRE RESISTANT, LOW TEMPERATURE, SYNTHETIC HYDROCARBON BASE, AIRCRAFT AND MISSILE
SAE AS 8791 : 2014	HYDRAULIC AND PNEUMATIC RETAINERS (BACK-UP RINGS), POLYTETRAFLUOROETHYLENE (PTFE) RESIN
MIL A 8625 : F	ANODIC COATINGS FOR ALUMINUM AND ALUMINUM ALLOYS
MIL-DTL-25579 Revision H:2014	Hose Assembly, Polytetrafluoroethylene, High Temperature, Medium Pressure, General Specification for
SAE AS 8775 : 1998	HYDRAULIC SYSTEM COMPONENTS, AIRCRAFT AND MISSILES, GENERAL SPECIFICATION FOR
SAE AMS 2700E : 2011	PASSIVATION OF CORROSION RESISTANT STEELS
MIL-PRF-83282 Revision D:1997	HYDRAULIC FLUID, FIRE RESISTANT, SYNTHETIC HYDROCARBON BASE, METRIC, NATO CODE NUMBER H-537
SAE AMS 5678 : 2013	STEEL, CORROSION RESISTANT, WIRE, 17CR - 7.1NI - 1.1AL, COLD DRAWN, PRECIPITATION-HARDENABLE
SAE AMS 5529 : 2012	STEEL, CORROSION RESISTANT, SHEET AND STRIP, 17CR - 7.1NI - 1.1AL, SOLUTION HEAT TREATED AND COLD ROLLED, PRECIPITATION HARDENABLE, 0.0015 TO 0.100 INCH (0.038 TO 2.54 MM) NOMINAL THICKNESS
SAE AMS QQ A 225/6 : 1998	ALUMINUM ALLOY, 2024, BAR, ROD, AND WIRE; ROLLED, DRAWN, OR COLD FINISHED
SAE AMS 5047G : 2007(S2017)	STEEL, SHEET AND STRIP, 0.08 - 0.13C, ALUMINUM KILLED (SAE 1010), DEEP FORMING GRADE
MIL H 85800 : 0	HOSE ASSEMBLIES, POLYTETRAFLUOROETHYLENE, ARAMID FIBER REINFORCED, 5000 & 8000 PSI, GENERAL SPECIFICATION FOR
MS21344 Revision A:2016	FITTING INSTALLATION OF FLARED TUBE STRAIGHT THREADED CONNECTORS DESIGN STANDARD FOR

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MIL-DTL-25427 Revision B:2009

COUPLING ASSEMBLY, HYDRAULIC, SELF SEALING, QUICK DISCONNECT, GENERAL SPECIFICATION FOR

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