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National Stock Number:
5305-01-009-3973
Federal Supply Class:
5305
National Item Identification Number:
010093973
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:
| A51B25564-13 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B25618-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B25618-11 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | A51B25618-11 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 2.060 INCHES NOMINAL | | HEAD DIAMETER | 1.045 INCHES NOMINAL | | HEAD HEIGHT | 0.625 INCHES NOMINAL | | HEAD STYLE | BEVEL-CONICAL | | INTERNAL DRIVE STYLE | HEXAGON | | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.070 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) | | WIDTH ACROSS FLATS | 0.500 INCHES NOMINAL |
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