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National Stock Number:
5305-01-461-0593
Federal Supply Class:
5305
National Item Identification Number:
014610593
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:
| 11457899 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| SHOULDER DIAMETER | 0.187 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.140 INCHES NOMINAL FIRST SHOULDER | | THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.255 INCHES MINIMUM AND | | 0.275 INCHES MAXIMUM | | FASTENER LENGTH | 0.530 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | HEXAGON EXTENDED WASHER | | HEAD HEIGHT | 0.208 INCHES MINIMUM AND | | 0.228 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.250 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.275 INCHES MINIMUM AND | | 0.295 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.014 INCHES MINIMUM AND | | 0.022 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | SHOULDER SHAPE | ROUND FIRST SHOULDER |
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