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National Stock Number:
5305-01-468-6359
Federal Supply Class:
5305
National Item Identification Number:
014686359
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:
| 1/4-20UNC-2A LG =1/2 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | 1/4-20UNC-2A LG 1/2 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 122-6722634 PC 9 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 122-7312139 PC 6 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 124-4322649 PC 42 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 124-5200227 PC 10 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 124-5202449 PC 62 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| FASTENER LENGTH | 0.500 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SCREW MATERIAL | COPPER ALLOY | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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