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National Stock Number:
5305-01-514-4089
Federal Supply Class:
5305
National Item Identification Number:
015144089
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:
| 752-7068420-137 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 752-7068433-37 | 53711 | NAVAL SEA SYSTEMS COMMAND | | H832-0301-137 | 96169 | ELECTRIC BOAT CORPORATION | | H832-0399-37 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 1.250 INCHES NOMINAL | | HEAD DIAMETER | 1.723 INCHES MINIMUM AND 1.760 INCHES MAXIMUM | | HEAD HEIGHT | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL CORROSION RESISTING OVERALL AND STEEL COMP 304 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.875 INCHES | | SHOULDER DIAMETER | 1.227 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | DISTRIBUTION STATEMENT D - DATA EXPORT RESTRICTED | | WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL | | WIDTH BETWEEN FLATS | 0.625 INCHES MINIMUM AND 0.631 INCHES MAXIMUM | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 9 | | THREAD SERIES DESIGNATOR | UNC |
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