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National Stock Number:
5305-00-422-4225
Federal Supply Class:
5305
National Item Identification Number:
004224225
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:
| 1970469 | 16764 | GENERAL MOTORS CORP DELCO REMY DIV | | 1970469 | 1LW55 | BORGWARNER PDS (ANDERSON), L.L.C. |
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Techincal Specification:
| COUNTERSINK ANGLE | 82.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM | | FASTENER LENGTH | 0.400 INCHES MINIMUM AND 0.440 INCHES MAXIMUM | | HEAD DIAMETER | 0.660 INCHES MINIMUM AND 0.693 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | +44E PLUS +10C FSCM 16764 MFR REF SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | DICHROMATE ZINC | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.317 INCHES MINIMUM AND 0.440 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNF |
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