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National Stock Number:
5305-01-628-9455
Federal Supply Class:
5305
National Item Identification Number:
016289455
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:
| MS51957-012 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| FASTENER LENGTH | 0.188 INCHES NOMINAL | | HEAD HEIGHT | 0.0700 INCHES MINIMUM AND 0.0800 INCHES MAXIMUM | | HEAD DIAMETER | 0.2050 INCHES MINIMUM AND 0.2190 INCHES MAXIMUM | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | NOMINAL THREAD DIAMETER | 0.1120 INCHES | | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | PER SAE-AMS-QQ-S-763 ASSN STD SINGLE MATERIAL RESPONSE | | SCREW MATERIAL | STEEL CORROSION RESISTING | | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PER SAE-AMS2700 ASSN STD SINGLE TREATMENT RESPONSE | | SCREW SURFACE TREATMENT | PASSIVATE OR OXIDE | | SPECIAL FEATURES | MATERIAL IS TYPE 302 OR TYPE 304 OR TYPE 304L OR TYPE 305 OR TYPE 316 OR TPE 316L OR TYPE 384 OR TYPE XM-7 CORROSION RESISTANT STEEL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.188 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
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