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National Stock Number: 5305-01-444-4204
Federal Supply Class: 5305
National Item Identification Number: 014444204
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:
6378732P1 | 94117 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. |
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Techincal Specification:
THREAD SERIES DESIGNATOR | UNC | NOMINAL THREAD DIAMETER | 0.112 INCHES | THREAD QUANTITY PER INCH | 40 | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.240 INCHES NOMINAL | FASTENER LENGTH | 0.880 INCHES NOMINAL | MATERIAL | STEEL CORROSION RESISTING OVERALL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | SURFACE TREATMENT | PASSIVATE OVERALL | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | HEAD STYLE | PAN | HEAD DIAMETER | 0.205 INCHES MINIMUM AND | | 0.219 INCHES MAXIMUM | HEAD HEIGHT | 0.070 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | SHOULDER SHAPE | ROUND GRIP | SHOULDER DIAMETER | 0.076 INCHES MINIMUM AND | | 0.082 INCHES MAXIMUM GRIP | SHOULDER LENGTH | 0.640 INCHES NOMINAL GRIP | SPECIAL FEATURES | ALTERED ITEM FROM MS51957-20,ITEM IS THREADED UNDER HEAD 0.240 IN.,UNTHREADED PORTION PAST THE THREADED PART IS 0.640 IN. |
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