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National Stock Number:
5305-99-962-2514
Federal Supply Class:
5305
National Item Identification Number:
999622514
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:
| B1-1465-54 | K0231 | QINETIQ | | FL15901 | U1515 | DGS&E TIG IRC | | NM34956 | K3743 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS LIMITED |
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Techincal Specification:
| THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.400 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF | | FASTENER LENGTH | 0.400 INCHES NOMINAL | | HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM | | HEAD DIAMETER | 0.438 INCHES NOMINAL | | HEAD STYLE | FLAT FILLISTER | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | U1515-DEF 13B GROUP 2 GOVERNMENT STD/SPEC SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | U1515-DEF 29A CLASS 1 GOVERNMENT STD/SPEC SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | PHOSPHATE | | SPECIAL FEATURES | 0.020/0.040 IN. MIN/MAX X 40/50 DEG MIN/MAX CHAMFER THD END;SLOT 0.060/0.080 IN. MIN/MAX WD X 0.060/0.080 IN. MIN/MAX DEEP | | THREAD CLASS | 2A |
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