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National Stock Number:
5305-00-989-9956
Federal Supply Class:
5305
National Item Identification Number:
009899956
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:
| A113-7D | K7766 | BRITISH STANDARDS INSTITUTION | | A113-7D | U1604 | MARTIN-BAKER AIRCRAFT COMPANY LIMITED |
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Techincal Specification:
| FASTENER LENGTH | 1.240 INCHES MINIMUM | | HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM | | HEAD DIAMETER | 0.425 INCHES MINIMUM AND 0.441 INCHES MAXIMUM | | HEAD STYLE | BUTTON | | INTERNAL DRIVE STYLE | SLOT | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | BS S94 ASSN STD SINGLE MATERIAL RESPONSE OR BS S95 ASSN STD SINGLE MATERIAL RESPONSE OR BS S114 ASSN STD SINGLE MATERIAL RESPONSE OR BS S116 ASSN STD SINGLE MATERIAL RESPONSE OR BS S117 ASSN STD SINGLE MATERIAL RESPONSE | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DTD 904 FSCM K4787 MFR REF SINGLE TREATMENT RESPONSE | | SCREW MATERIAL | STEEL | | SCREW SURFACE TREATMENT | CADMIUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES MINIMUM AND 0.540 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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