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National Stock Number:
5305-01-452-8246
Federal Supply Class:
5305
National Item Identification Number:
014528246
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:
| 6886218 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| COLOR | BLACK OVERALL | | FASTENER LENGTH | 0.170 INCHES NOMINAL | | HEAD DIAMETER | 0.250 INCHES NOMINAL | | HEAD HEIGHT | 0.030 INCHES NOMINAL | | HEAD STYLE | FLAT FILLISTER | | INTERNAL DRIVE STYLE | TORQUE | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B211 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY 6061 OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SHOULDER DIAMETER | 0.150 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.026 INCHES MINIMUM AND 0.030 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | THREADS UNDERCUT FOR RELIEF; 0.063" DIA. LONGITUDINAL HOLE IN HEAD, 0.110" DEEP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 TY 2 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.122 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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