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National Stock Number:
5305-00-452-4874
Federal Supply Class:
5305
National Item Identification Number:
004524874
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:
| 99-1201448 | 99995 | NATO STOCK NUMBER ASSIGNED BY ANOTHER NATION | | A31B10 | K0289 | BRITISH AEROSPACE MILITARY AIRCRAFT & AEROSTRUCTURES | | A31B10 | K7766 | BRITISH STANDARDS INSTITUTION | | A31B10 | U9143 | BAE SYSTEMS (OPERATIONS) LIMITED |
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Techincal Specification:
| FASTENER LENGTH | 0.313 INCHES MINIMUM AND 0.333 INCHES MAXIMUM | | HEAD DIAMETER | 0.242 INCHES MINIMUM AND 0.252 INCHES MAXIMUM | | HEAD HEIGHT | 0.095 INCHES MINIMUM AND 0.101 INCHES MAXIMUM | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 3.6 MILLIMETERS | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DTD904,FSCM K7766 NATIONAL SPEC SINGLE TREATMENT RESPONSE | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT | CADMIUM | | THREAD LENGTH | 0.274 INCHES MINIMUM AND 0.333 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | BA | | THREAD PITCH IN MILLIMETERS | 0.66 |
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