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DEFSTAN 02-862(PT5)/2(2007) : 2007
Superseded
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FASTENERS - PART 5: NON-FERROUS (SUBMARINE FIRST LEVEL QUALITY ASSURED)
Hardcopy , PDF
14-08-2011
English
01-01-2007
Foreword
1 Scope
2 Warning
3 Normative References
4 Definitions
5 Performance Specification
5.1 Materials
5.2 Manufacture
5.2.1 Method of Manufacture
5.2.2 NA13-Nickel Copper Alloy
5.2.3 NA18-Nickel Copper Aluminium Alloy
5.2.4 Nickel Aluminium Bronze
5.2.5 Fastener Dimensions and Tolerances
5.2.6 Thread Form (Metric Fasteners)
5.2.7 Thread Form (Unified Fasteners)
6 Military Standards/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
6.1.4.1 Nickel Copper Alloy to BS 3076-NA13
and Nickel Copper Aluminium Alloy to
BS 3076-NA18
6.1.4.2 Nickel Aluminium Bronze to Def Stan
02-833 Part 2 Grade 1
6.1.5 Mechanical Testing
6.1.6 Sample Sizes for Mechanical Test Programmes
6.1.7 Mechanical Test Programme for Externally
Threaded Fasteners
6.1.7.1 Testing of Completed Fasteners
6.1.7.2 Testing of Representative Material
6.1.8 Mechanical Test Programme for Nuts
6.1.8.1 Testing of Completed Fasteners
6.1.8.2 Testing of Representative Material
6.1.9 Mechanical Test Programme for Washers
6.1.10 Impact Tests
6.1.11 Hardness Tests
6.1.12 Surface Examination of Fasteners
6.1.13 Surface Roughness Measurement
6.1.14 Thread Tolerances
6.1.15 Dimensional Accuracy
6.1.16 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 Proof Loads
B.1 Proof Loads for Non-Ferrous Fasteners
Annex C Acceptance Standards
C.1 Acceptance Standards for the Surface of Finished First
Level Fasteners
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