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National Stock Number:
5305-01-201-8078
Federal Supply Class:
5305
National Item Identification Number:
012018078
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:
| 12316141 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| FASTENER LENGTH | 43.250 INCHES NOMINAL | | HARDNESS RATING | 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL | | HEAD HEIGHT | 1.000 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM-A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 8620 OVERALL | | NOMINAL THREAD DIAMETER | 1.250 INCHES | | SPECIAL FEATURES | APPLY SOLID FILM LUBRICANT 0.0002TO 0.0005 INCH THICK PER MIL-L-46010 | | WIDTH BETWEEN FLATS | 1.880 INCHES NOMINAL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232 TYPE M,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD CLASS | 2G | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 21.000 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 5 | | THREAD SERIES DESIGNATOR | ACME |
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