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National Stock Number:
5305-01-321-3574
Federal Supply Class:
5305
National Item Identification Number:
013213574
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:
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.086 INCHES | | THREAD QUANTITY PER INCH | 64 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.095 INCHES MINIMUM AND | | 0.099 INCHES MAXIMUM | | FASTENER LENGTH | 0.210 INCHES MINIMUM AND | | 0.224 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 OR | | STEEL COMP 304 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD 1ST MATERIAL RESPONSE OR | | QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.182 INCHES MINIMUM AND | | 0.192 INCHES MAXIMUM | | HEAD HEIGHT | 0.042 INCHES MINIMUM AND | | 0.052 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.060 INCHES MINIMUM AND | | 0.065 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.115 INCHES MINIMUM AND | | 0.125 INCHES MAXIMUM FIRST SHOULDER |
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