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National Stock Number:
5305-01-110-4281
Federal Supply Class:
5305
National Item Identification Number:
011104281
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:
| 10395890 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 12296984 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | THREAD LENGTH | 2.016 INCHES MINIMUM AND | | 2.120 INCHES MAXIMUM | | FASTENER LENGTH | 2.468 INCHES MINIMUM AND | | 2.602 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1040 OR | | STEEL COMP 1541 OR | | STEEL COMP 1042 OR | | STEEL COMP 1043 OR | | STEEL COMP 1044 OR | | STEEL COMP 1045 OR | | STEEL COMP 1046 OR | | STEEL COMP 1548 OR | | STEEL COMP 1049 OR | | STEEL COMP 1050 OVERALL | | HEAD STYLE | HEXAGON | | THREAD DIRECTION | RIGHT-HAND | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD QUANTITY PER INCH | 13 | | THREAD CLASS | 2A | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OR | | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND | | 34.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.312 INCHES MINIMUM AND | | 0.352 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | COUNTERSINK ANGLE | 25.0 DEGREES MINIMUM AND | | 35.0 DEGREES MAXIMUM |
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