DEFSTAN 02-862(PT4)/2(2007) : 2007
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
FASTENERS - PART 4: FERROUS (SUBMARINE FIRST LEVEL QUALITY ASSURED)
Hardcopy , PDF
08-14-2011
English
01-01-2007
Foreword
1 Scope
2 Warning
3 Normative References
4 Definitions
5 Performance Specification
5.1 Materials
5.1.1 Fastener Material
5.1.2 Zinc Plating
5.1.3 Phosphate Coating
5.2 Manufacture
5.2.1 Method of Manufacture
5.2.2 Fastener Dimensions and Tolerances
5.2.3 Thread Form (Metric Fasteners)
5.2.4 Thread Form (Unified Fasteners)
6 Requirements
6.1 Testing and Acceptance Standards for First Level
Fasteners
6.1.1 Product Analysis
6.1.2 Recording of Test Results
6.1.3 Surface Examination of Bar Stock
6.1.4 Sub-Surface Examination of Bar Stock
6.1.5 Heat treatment
6.1.6 Mechanical Testing
6.1.7 Sample Sizes for Mechanical Test Programmes
6.1.8 Mechanical Test Programme for Externally
Threaded Fasteners
6.1.9 Mechanical Test Programme for Nuts
6.1.10 Surface Examination of Fasteners
6.1.11 Surface Roughness Measurement
6.1.12 Thread Tolerances
6.1.13 Dimensional Accuracy.
6.1.14 Disposal of Rejected Fasteners
6.2 Identification and Packaging
6.3 Quality Assurance
6.3.1 Documentation
6.3.2 Certificate of Conformity
6.3.3 Records
Annex A Procurement Check List
Annex B Acceptance Standards
B.1 Acceptance Standards for the Surface of Finished First
Level Fasteners in the Unplated Condition
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