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National Stock Number:
5305-01-521-9304
Federal Supply Class:
5305
National Item Identification Number:
015219304
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:
| 0810-670451 | 18634 | TALBERT MANUFACTURING INC | | 0810-670451 | 5B752 | AERO INDUSTRIES INC | | M872A443 | 5B752 | AERO INDUSTRIES INC | | 0810-670451 | 9A148 | NORCATEC LLC |
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Techincal Specification:
| HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | HEAD SURFACE TREATMENT | ZINC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, TRUSS HEAD | | SCREW SURFACE TREATMENT | ZINC | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | THREAD DIRECTION | RIGHT-HAND |
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