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National Stock Number:
5305-00-479-9142
Federal Supply Class:
5305
National Item Identification Number:
004799142
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:
| 657183 | 77445 | RTX CORPORATION | | 657183 | A1387 | NECCHI SPA | | 657183 | J1695 | KITO MFG CO. LTD | | 657183 | S0254 | KITO MFG CO. LTD |
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Techincal Specification:
| EXTENDED WASHER DIAMETER | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM | | FASTENER LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | HEAD STYLE | DOUBLE HEXAGON W/HOLE | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SHOULDER DIAMETER | 0.1705 INCHES MINIMUM AND 0.1725 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | WIDTH BETWEEN FLATS | 0.212 INCHES MINIMUM AND 0.220 INCHES MAXIMUM | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD LENGTH | 0.273 INCHES MINIMUM AND 0.323 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNJC |
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