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National Stock Number:
5305-00-100-6624
Federal Supply Class:
5305
National Item Identification Number:
001006624
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:
| 144A5550P1 | 89954 | BAE SYSTEMS CONTROLS INC. |
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Techincal Specification:
| FASTENER LENGTH | 0.338 INCHES MINIMUM AND 0.353 INCHES MAXIMUM | | HEAD DIAMETER | 0.250 INCHES NOMINAL | | HEAD HEIGHT | 0.097 INCHES MINIMUM AND 0.132 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.086 INCHES | | SHOULDER DIAMETER | 0.145 INCHES MINIMUM AND 0.149 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.068 INCHES MINIMUM AND 0.073 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 2A | | THREAD LENGTH | 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 56 |
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