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National Stock Number:
5305-01-122-0254
Federal Supply Class:
5305
National Item Identification Number:
011220254
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:
| 186273 | 24617 | GENERAL MOTORS CORP | | 186273 | 7X677 | GENERAL MOTORS LLC | | B-1.101 | 24617 | GENERAL MOTORS CORP | | B-1.102 | 24617 | GENERAL MOTORS CORP | | B-1.102 | 7X677 | GENERAL MOTORS LLC | | B-1.101 | 7X677 | GENERAL MOTORS LLC | | B-1.103 | 24617 | GENERAL MOTORS CORP | | B-1.104 | 24617 | GENERAL MOTORS CORP | | B-1.104 | 7X677 | GENERAL MOTORS LLC | | B-1.103 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| FASTENER LENGTH | 4.250 INCHES NOMINAL | | HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | G-4435-M,CAGE 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.775 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC | | WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
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