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		                        | National Stock Number:
 5305-01-314-2458
 
 Federal Supply Class:
 5305
 
 National Item Identification Number:
 013142458
 
 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:
 
 | 0.250-20UNC2AX0 .750IN LG STEEL | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |  | 0.250-2OUNC2AX0.750IN LG STEEL | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |  | 1/4-20UNC-2A X 3/4 LG | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 122-5589566 PC 29 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 701-5941244 PC 36 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 1/4-20UNC-2A X 3/4 IN. | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |  | 701-6938562 SH 1 PC 46 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | 7014-6938547 SH 2 PC 5 | 53711 | NAVAL SEA SYSTEMS COMMAND |  | FF-S-92 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |  | FFS92B TY1STY8S -3/4INLG | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | 
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 Techincal Specification:
 
 | FASTENER LENGTH | 0.750 INCHES NOMINAL |  | HEAD DIAMETER | 0.498 INCHES MINIMUM AND 0.525 INCHES MAXIMUM |  | HEAD HEIGHT | 0.152 INCHES MINIMUM AND 0.165 INCHES MAXIMUM |  | HEAD STYLE | BINDING |  | INTERNAL DRIVE STYLE | SLOT |  | NOMINAL THREAD DIAMETER | 0.250 INCHES |  | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 8S STYLE |  | SCREW MATERIAL | STEEL COMP 302 OR STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L |  | THREAD CLASS | 2A |  | THREAD DIRECTION | RIGHT-HAND |  | THREAD LENGTH | 0.650 INCHES NOMINAL |  | THREAD QUANTITY PER INCH | 20 |  | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | 
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