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National Stock Number:
5305-00-569-7357
Federal Supply Class:
5305
National Item Identification Number:
005697357
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:
| 7771973 | 18877 | WATERTOWN ARSENAL SMIWT-RE |
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Techincal Specification:
| FASTENER LENGTH | 0.953 INCHES NOMINAL | | HEAD DIAMETER | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM | | HEAD HEIGHT | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SHOULDER DIAMETER | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER LENGTH | 0.760 INCHES MINIMUM AND 0.765 INCHES MAXIMUM FIRST SHOULDER | | SPECIAL FEATURES | THREAD RELIEF 0.031 INCHES LONG BY 0.050 INCHES DEEP | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.157 INCHES MINIMUM | | THREAD CLASS | 2A | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNF |
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