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National Stock Number:
5305-01-385-3445
Federal Supply Class:
5305
National Item Identification Number:
013853445
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:
| C5088168 | 11447 | L3 TECHNOLOGIES, INC. | | C5088168 | 57946 | US ARMY COMBAT SURVEILLANCE AND TARGET ACQUISITION LABORATORY |
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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 | 0.074 INCHES MINIMUM AND | | 0.114 INCHES MAXIMUM | | FASTENER LENGTH | 0.194 INCHES MINIMUM AND | | 0.214 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,CL7,TYA FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 FINISH NO. E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | SQUARE | | HEAD HEIGHT | 0.040 INCHES MINIMUM AND | | 0.050 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.434 INCHES MINIMUM AND | | 0.454 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | SHOULDER SHAPE | ROUND SECOND SHOULDER | | SHOULDER DIAMETER | 0.133 INCHES MINIMUM AND | | 0.137 INCHES MAXIMUM FIRST SHOULDER | | 0.075 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM SECOND SHOULDER | | SHOULDER LENGTH | 0.085 INCHES MINIMUM AND | | 0.095 INCHES MAXIMUM FIRST SHOULDER | | 0.015 INCHES MINIMUM AND | | 0.025 INCHES MAXIMUM SECOND SHOULDER |
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