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National Stock Number:
5305-01-351-0792
Federal Supply Class:
5305
National Item Identification Number:
013510792
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:
| 211057706 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 801-6408788-20 | 53711 | NAVAL SEA SYSTEMS COMMAND | | CC-N-281 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | DF330649-FN-20 | 43689 | HUNTINGTON INGALLS INC |
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Techincal Specification:
| FASTENER LENGTH | 0.251 INCHES MINIMUM AND 0.273 INCHES MAXIMUM | | HEAD DIAMETER | 0.184 INCHES NOMINAL | | HEAD HEIGHT | 0.115 INCHES MINIMUM AND 0.137 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.125 INCHES | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SHOULDER DIAMETER | 0.137 INCHES NOMINAL FIRST SHOULDER | | SHOULDER LENGTH | 0.076 INCHES MINIMUM AND 0.088 INCHES MAXIMUM FIRST SHOULDER | | SPECIAL FEATURES | UNDERCUT BETWEEN SHOULDER AND THREADS .050 IN. LONG,.094 IN. MIN. AT CIRCUMFERENCE | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 40 |
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