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National Stock Number: 5305-01-369-9502
Federal Supply Class: 5305
National Item Identification Number: 013699502
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:
MIL-S-21472 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | MS51575-22 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
FASTENER LENGTH | 0.843 INCHES MINIMUM AND 0.909 INCHES MAXIMUM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | HEAD DIAMETER | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM | HEAD HEIGHT | 0.156 INCHES MINIMUM AND 0.239 INCHES MAXIMUM | HEAD STYLE | FLAT CHAMFER | INTERNAL DRIVE STYLE | SLOT | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 COND. A ASSN STD SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | STEEL COMP 303 OVERALL | NOMINAL THREAD DIAMETER | 0.190 INCHES | SHOULDER LENGTH | 0.625 INCHES MINIMUM AND 0.628 INCHES MAXIMUM FIRST SHOULDER | SHOULDER SHAPE | ROUND FIRST SHOULDER | SHOULDER DIAMETER | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | PASSIVATE OVERALL | THREAD LENGTH | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD SERIES DESIGNATOR | UNF | THREAD QUANTITY PER INCH | 32 |
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