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National Stock Number:
5305-00-075-5972
Federal Supply Class:
5305
National Item Identification Number:
000755972
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:
| LS9111-2 | 98897 | LOCKHEED MARTIN CORP |
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Techincal Specification:
| FASTENER LENGTH | 0.662 INCHES MINIMUM AND 0.682 INCHES MAXIMUM | | HEAD DIAMETER | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | HEAD HEIGHT | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | SPECIAL FEATURES | NO.4-40 UNC 2B DRILLED AND TAPPED HOLE 0.375 IN. DEEP FROM DRIVE END | | THREAD CLASS | 2A | | THREAD LENGTH | 0.406 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
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