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National Stock Number:
5305-01-497-6140
Federal Supply Class:
5305
National Item Identification Number:
014976140
Description:
SCREW,SHOULDER
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.
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Manufacturer Information:
| MS51576-35 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | NAS51576-35 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.4688 INCHES MINIMUM AND | | 0.5312 INCHES MAXIMUM | | FASTENER LENGTH | 1.7188 INCHES MINIMUM AND | | 1.7812 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 OR | | STEEL COMP 304 OR | | STEEL COMP XM-7 OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SA3-QQ-P35 ASSN STD 1ST TREATMENT RESPONSE OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.2188 INCHES MINIMUM AND | | 0.2812 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.5313 INCHES MINIMUM AND | | 0.5937 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL | | SHOULDER SHAPE | HEXAGONAL FIRST SHOULDER | | SHOULDER WIDTH ACROSS FLATS | 0.5313 INCHES MINIMUM AND | | 0.5937 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.2188 INCHES MINIMUM AND | | 0.2812 INCHES MAXIMUM FIRST SHOULDER | | SPECIFICATION/STANDARD DATA | 80205-NAS51576 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | NONDEFINITIVE SPEC/STD DATA | 35 FORM |
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