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National Stock Number:
5305-01-187-8757
Federal Supply Class:
5305
National Item Identification Number:
011878757
Description:
SCREW,MACHINE
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
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Manufacturer Information:
| 274707 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | | 274707 | 24617 | GENERAL MOTORS CORP | | 274707 | 7X677 | GENERAL MOTORS LLC | | 5305PL0721164 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.384 INCHES MINIMUM AND 0.414 INCHES MAXIMUM | | FASTENER LENGTH | 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | HEAD HEIGHT | 0.124 INCHES MINIMUM AND 0.151 INCHES MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES | | SCREW SURFACE TREATMENT | CADMIUM OR ZINC | | THREAD CLASS | 2A | | THREAD LENGTH | 0.386 INCHES MINIMUM AND 0.500 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNC | | WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
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