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National Stock Number:
5305-00-143-2293
Federal Supply Class:
5305
National Item Identification Number:
001432293
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:
| 45239310010 | 89944 | ELBITAMERICA, INC. |
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Techincal Specification:
| FASTENER LENGTH | 0.301 INCHES MINIMUM AND 0.306 INCHES MAXIMUM | | HEAD DIAMETER | 0.174 INCHES MINIMUM AND 0.179 INCHES MAXIMUM | | HEAD HEIGHT | 0.073 INCHES MINIMUM AND 0.078 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.099 INCHES | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.1238 INCHES MINIMUM AND 0.1244 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.145 INCHES MINIMUM AND 0.150 INCHES MAXIMUM FIRST SHOULDER | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD LENGTH | 0.151 INCHES MINIMUM AND 0.156 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 56 | | THREAD SERIES DESIGNATOR | UNF |
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