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National Stock Number:
5305-01-499-7221
Federal Supply Class:
5305
National Item Identification Number:
014997221
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:
| 563-7066808-98 | 53711 | NAVAL SEA SYSTEMS COMMAND | | H552-0603-98 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 2.250 INCHES NOMINAL | | HEAD DIAMETER | 0.729 INCHES MINIMUM AND 0.750 INCHES MAXIMUM | | HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | PELLET THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY K-500 OVERALL OR NICKEL ALLOY 502 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SHOULDER DIAMETER | 0.496 INCHES MINIMUM FIRST SHOULDER AND 0.498 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 1.635 INCHES MINIMUM FIRST SHOULDER AND 1.640 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.483 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNC |
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