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National Stock Number:
5305-01-597-4628
Federal Supply Class:
5305
National Item Identification Number:
015974628
Description:
SCREW,CAP,HEXAGON HEAD
Detail:
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| 2532379 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | THREAD LENGTH | 1.906 INCHES NOMINAL | | FASTENER LENGTH | 2.062 INCHES NOMINAL | | MATERIAL | STEEL COMP 4140 OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.875 INCHES | | THREAD QUANTITY PER INCH | 14 | | THREAD CLASS | 2A | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AQQ-Z-325 TY II CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND | | 40.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.562 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 2.250 INCHES NOMINAL | | SURFACE FINISH | 125.0 MICROMETERS HEAD | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, HEAX HEAD | | SPECIAL FEATURES | MAGNETIC PORT INSPECTION IAW MIL-I-6868; NEXT HIGHER ASSEMBLY: FIXTURE, SHIPING AND LIFTING ASSEMBLY |
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