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National Stock Number:
5305-01-481-7254
Federal Supply Class:
5305
National Item Identification Number:
014817254
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:
| 12342440 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM |
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Techincal Specification:
| FASTENER LENGTH | 0.880 INCHES MAXIMUM | | HEAD HEIGHT | 0.152 INCHES MINIMUM AND 0.166 INCHES MAXIMUM | | HEAD DIAMETER | 0.527 INCHES MINIMUM AND 0.547 INCHES MAXIMUM | | HEAD STYLE | PAN | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | GRADE8,SAEJ429 FED SPEC 1ST MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SHOULDER DIAMETER | 0.312 INCHES MINIMUM AND 0.317 INCHES MAXIMUM GRIP | | SHOULDER SHAPE | ROUND GRIP | | SHOULDER LENGTH | 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM GRIP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE2,CLASS2 FED SPEC 1ST TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 20 |
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