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National Stock Number:
5305-00-527-3941
Federal Supply Class:
5305
National Item Identification Number:
005273941
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:
| 108404-2 | 37695 | RAYTHEON COMPANY | | A8837985-1 | 21921 | RCA CORP DISTRIBUTOR AND SPECIAL PRODUCTS DIV | | A8837985-1 | 49671 | LOCKHEED MARTIN CORP LOCKHEED MARTIN INFORMATION SYSTEMS AUTOMATED SPARES |
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Techincal Specification:
| FASTENER LENGTH | 0.134 INCHES NOMINAL | | HEAD DIAMETER | 0.187 INCHES NOMINAL | | HEAD HEIGHT | 0.054 INCHES NOMINAL | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B-16 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.099 INCHES | | SHOULDER DIAMETER | 0.116 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.051 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SURFACE TREATMENT | TIN OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.068 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 56 | | THREAD SERIES DESIGNATOR | UNF |
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