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National Stock Number:
5305-00-652-5678
Federal Supply Class:
5305
National Item Identification Number:
006525678
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:
| 55881 | 82423 | KLEINSCHMIDT INC | | SM-B-187224 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| FASTENER LENGTH | 0.800 INCHES NOMINAL | | HEAD DIAMETER | 0.182 INCHES MINIMUM AND 0.189 INCHES MAXIMUM | | HEAD HEIGHT | 0.097 INCHES MINIMUM AND 0.103 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL COMP 1213 OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SHOULDER DIAMETER | 0.185 INCHES MINIMUM AND 0.187 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.050 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | UNDERCUT 0.050 IN. LG,0.147 IN. MIN 0.149 IN. MAX LG | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PHOSPHATE OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.313 INCHES MINIMUM AND 0.437 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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