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National Stock Number: 5305-00-828-4417
Federal Supply Class: 5305
National Item Identification Number: 008284417
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:
1076-1284 | 72314 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. |
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Techincal Specification:
FASTENER LENGTH | 0.528 INCHES NOMINAL | HEAD DIAMETER | 0.310 INCHES NOMINAL | HEAD HEIGHT | 0.102 INCHES MINIMUM AND 0.112 INCHES MAXIMUM | HEAD STYLE | DOUBLE CHAMFER | INTERNAL DRIVE STYLE | SLOT | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 416 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | STEEL OVERALL | NOMINAL THREAD DIAMETER | 0.138 INCHES | SHOULDER DIAMETER | 0.187 INCHES NOMINAL FIRST SHOULDER | SHOULDER DIAMETER | 0.310 INCHES NOMINAL SECOND SHOULDER | SHOULDER LENGTH | 0.088 INCHES NOMINAL FIRST SHOULDER | SHOULDER LENGTH | 0.182 INCHES NOMINAL SECOND SHOULDER | SHOULDER SHAPE | ROUND FIRST SHOULDER | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | CHROMIUM OVERALL | THREAD DIRECTION | RIGHT-HAND | THREAD CLASS | 2A | THREAD LENGTH | 0.250 INCHES MAXIMUM | THREAD SERIES DESIGNATOR | UNC | THREAD QUANTITY PER INCH | 32 |
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