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National Stock Number:
5305-01-447-6617
Federal Supply Class:
5305
National Item Identification Number:
014476617
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:
| 701-4323731 SH20 P/N 28 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 701-5941244 P/N 64 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 7015941245 P/N 44 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 1.375 INCHES | | THREAD QUANTITY PER INCH | 6 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.109 INCHES MINIMUM AND | | 1.359 INCHES MAXIMUM | | FASTENER LENGTH | 3.125 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A193, TYPE B16 OR TYPE B7 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 115000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 2.625 INCHES NOMINAL | | HEAD HEIGHT | 0.875 INCHES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.500 INCHES NOMINAL | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 1.622 INCHES MINIMUM AND | | 1.623 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 1.766 INCHES NOMINAL FIRST SHOULDER |
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