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National Stock Number:
5305-00-177-5776
Federal Supply Class:
5305
National Item Identification Number:
001775776
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:
| 301858 | 1UVT5 | BRP US INC | | 301858 | 21119 | EVINRUDE MOTORS PRODUCT GROUP OF OUTBOARD MARINE CORP | | 301858 | 32195 | OUTBOARD MARINE CORP JOHNSON MOTORS DIV | | 301858 | K3488 | LEWMAR LTD | | 301858 | U1621 | SIMPSON-LAWRENCE LTD JOHNSON AND EVI RUDE OUTBOARD MOTORS |
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Techincal Specification:
| FASTENER LENGTH | 0.438 INCHES NOMINAL | | HEAD DIAMETER | 0.375 INCHES NOMINAL | | HEAD HEIGHT | 0.178 INCHES MINIMUM AND 0.205 INCHES MAXIMUM | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | STEEL COMP 430 | | SPECIAL FEATURES | 0.016 IN. RADIUS CUT IN BEARING SURFACE OF HEAD AT THESHANK | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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