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National Stock Number: 5305-00-938-9292
Federal Supply Class: 5305
National Item Identification Number: 009389292
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:
107B8034P1 | 89954 | BAE SYSTEMS CONTROLS INC. |
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Techincal Specification:
FASTENER LENGTH | 0.450 INCHES MINIMUM AND 0.490 INCHES MAXIMUM | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL | HEAD DIAMETER | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM | HEAD HEIGHT | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM | HEAD STYLE | FLAT CHAMFER | INTERNAL DRIVE STYLE | HEXAGON | MATERIAL | STEEL OVERALL | NOMINAL THREAD DIAMETER | 0.164 INCHES | SHOULDER DIAMETER | 0.247 INCHES MINIMUM FIRST SHOULDER | SHOULDER LENGTH | 0.205 INCHES MINIMUM AND 0.210 INCHES MAXIMUM FIRST SHOULDER | SHOULDER SHAPE | ROUND FIRST SHOULDER | WIDTH ACROSS FLATS | 0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | PASSIVATE OVERALL | THREAD DIRECTION | RIGHT-HAND | THREAD CLASS | 2A | THREAD LENGTH | 0.240 INCHES MINIMUM AND 0.285 INCHES MAXIMUM | THREAD SERIES DESIGNATOR | UNC | THREAD QUANTITY PER INCH | 32 |
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