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National Stock Number:
5305-01-121-0358
Federal Supply Class:
5305
National Item Identification Number:
011210358
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:
| 20097-96C-MC | 56878 | SPS TECHNOLOGIES, LLC | | 9085-00 | 57583 | DECISION DATA COMPUTER CORP |
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Techincal Specification:
| FASTENER LENGTH | 0.450 INCHES NOMINAL | | FEATURES PROVIDED | CASEHARDENED | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 46.0 ROCKWELL C MAXIMUM OVERALL | | HEAD DIAMETER | 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM | | HEAD HEIGHT | 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1010 OVERALL | | SHOULDER DIAMETER | 0.154 INCHES MINIMUM FIRST SHOULDER AND 0.155 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.145 INCHES MINIMUM FIRST SHOULDER AND 0.155 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC | | WIDTH ACROSS FLATS | 0.1093 INCHES MINIMUM AND 0.1123 INCHES MAXIMUM | | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
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