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National Stock Number:
5305-00-815-4326
Federal Supply Class:
5305
National Item Identification Number:
008154326
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:
| EA1749 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND | | MBEU12076 | U1604 | MARTIN-BAKER AIRCRAFT COMPANY LIMITED |
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Techincal Specification:
| FASTENER LENGTH | 0.335 INCHES MINIMUM AND 0.345 INCHES MAXIMUM | | HEAD DIAMETER | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM | | HEAD HEIGHT | 0.040 INCHES NOMINAL | | HEAD STYLE | FILLISTER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SHOULDER DIAMETER | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | ITEM TO BE COATED WITH BLUE MARKING DYE AFTER APPLICATION OF FINISH TO IDENTIFY UNC THD | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.160 INCHES MINIMUM AND 0.185 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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