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National Stock Number:
5305-01-281-5124
Federal Supply Class:
5305
National Item Identification Number:
012815124
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:
| 317969 | 1UVT5 | BRP US INC | | 317969 | 80256 | OUTBOARD MARINE CORP | | 330562 | 1UVT5 | BRP US INC | | 330562 | 32195 | OUTBOARD MARINE CORP JOHNSON MOTORS DIV | | 330562 | 80256 | OUTBOARD MARINE CORP | | 317969 | K3891 | E. P. BARRUS LIMITED |
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Techincal Specification:
| EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM AND 0.075 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.398 INCHES MINIMUM AND 0.432 INCHES MAXIMUM | | FASTENER LENGTH | 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | HEAD HEIGHT | 0.167 INCHES MINIMUM AND 0.183 INCHES MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | INTERNAL DRIVE STYLE | SLOT | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SCREW MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 | | WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.745 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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