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National Stock Number:
5305-01-150-3997
Federal Supply Class:
5305
National Item Identification Number:
011503997
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:
| 1532229 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.367 INCHES MINIMUM AND | | 0.387 INCHES MAXIMUM | | FASTENER LENGTH | 1.052 INCHES MINIMUM AND | | 1.072 INCHES MAXIMUM | | MATERIAL | STEEL COMP 630 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TY 1OR2 OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 42.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.615 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | HEAD HEIGHT | 0.093 INCHES MINIMUM AND | | 0.108 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | TORQUE | | SHOULDER SHAPE | ROUND ALL SHOULDERS | | SHOULDER DIAMETER | 0.498 INCHES MINIMUM AND | | 0.499 INCHES MAXIMUM FIRST SHOULDER | | 0.373 INCHES MINIMUM AND | | 0.374 INCHES MAXIMUM SECOND SHOULDER | | SHOULDER LENGTH | 0.252 INCHES MINIMUM AND | | 0.254 INCHES MAXIMUM FIRST SHOULDER | | 0.339 INCHES MINIMUM AND | | 0.341 INCHES MAXIMUM SECOND SHOULDER |
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