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National Stock Number: 5305-01-064-6261
Federal Supply Class: 5305
National Item Identification Number: 010646261
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:
12705N4C8 | 56878 | SPS TECHNOLOGIES, LLC | 330-2763-000 | 13499 | ROCKWELL COLLINS, INC. | 330-2763-000 | 95105 | ROCKWELL COLLINS, INC. |
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Techincal Specification:
FASTENER LENGTH | 0.862 INCHES MINIMUM AND 0.888 INCHES MAXIMUM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL | HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | HEAD HEIGHT | 0.182 INCHES MINIMUM AND 0.188 INCHES MAXIMUM | HEAD STYLE | FLAT CHAMFER | INTERNAL DRIVE STYLE | HEXAGON | MATERIAL | STEEL CORROSION RESISTING OR STEEL COMP 4037 OVERALL | MINIMUM TENSILE STRENGTH | 16000 POUNDS PER SQUARE INCH | NOMINAL THREAD DIAMETER | 0.190 INCHES | SHOULDER LENGTH | 0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM FIRST SHOULDER | SHOULDER SHAPE | ROUND FIRST SHOULDER | SHOULDER DIAMETER | 0.247 INCHES MINIMUM AND 0.248 INCHES MAXIMUM FIRST SHOULDER | SPECIAL FEATURES | PELLET TYPE ELEMENT IN THREADS | WIDTH ACROSS FLATS | 0.125 INCHES NOMINAL | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.303 INCHES MINIMUM AND 0.323 INCHES MAXIMUM | THREAD SERIES DESIGNATOR | UNC | THREAD QUANTITY PER INCH | 24 |
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