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National Stock Number:
5305-99-964-1251
Federal Supply Class:
5305
National Item Identification Number:
999641251
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:
| FL18335 | U1515 | DGS&E TIG IRC | | NM35230 | K3743 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED | | R0FN13173-35 | K3743 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
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Techincal Specification:
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | K0851-MOD DEF 29A CLASS 1 DEF STAN/SPEC SINGLE TREATMENT RESPONSE | | SPECIAL FEATURES | PHOSPHATE GROUP 530 | | WIDTH BETWEEN FLATS | 0.625 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNF | | FASTENER LENGTH | 1.250 INCHES NOMINAL | | HEAD HEIGHT | 0.430 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | HOLE DIAMETER | 0.062 INCHES MINIMUM AND 0.072 INCHES MAXIMUM | | HOLE QUANTITY | 6 | | NOMINAL THREAD DIAMETER | 0.438 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | K0851-MOD DEF SPEC 13B GROUP 5A DEF STAN/SPEC SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT | PHOSPHATE |
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