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National Stock Number:
5305-01-425-3490
Federal Supply Class:
5305
National Item Identification Number:
014253490
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:
| 6-32 X 1 1/4 | 83338 | TW METALS INC | | 8734677-6 | 8A015 | NYF/NEW YORK FASTENERS/CORP | | 8734677-6 | 98749 | SACRAMENTO AIR LOGISTICS CENTER SM-ALC/LIIL | | 8734677-6 | 9H691 | ARLINGTON FASTNER CO |
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Techincal Specification:
| FASTENER LENGTH | 1.250 INCHES NOMINAL | | HEAD HEIGHT | 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM | | HEAD DIAMETER | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | FED 18-8 FED STD ALL MATERIAL RESPONSES | | SCREW MATERIAL | STEEL CORROSION RESISTING | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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