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National Stock Number:
5305-01-495-3778
Federal Supply Class:
5305
National Item Identification Number:
014953778
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:
| 563-7409375 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 563-7409375-20 | 53711 | NAVAL SEA SYSTEMS COMMAND | | B552-3101-20 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 3.690 INCHES NOMINAL | | HEAD HEIGHT | 0.620 INCHES NOMINAL | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY K-500 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.750 INCHES | | SHOULDER DIAMETER | 0.995 INCHES MINIMUM FIRST SHOULDER AND 0.997 INCHES MAXIMUM FIRST SHOULDER | | SHOULDER LENGTH | 2.330 INCHES NOMINAL FIRST SHOULDER | | SHOULDER SHAPE | ROUND FIRST SHOULDER | | SPECIAL FEATURES | TECH DATA NOT AUTHORIZED FOR RELEASE OUTSIDE OF U.S.; THE SHOULDER HAS AN OUTSIDE SURFACE FINISH OF 32.0 MICROINCHES; USED ON MBT 6 VENT VALVE LINKAGE ASSEMBLY FOR A SEAWOLF CLASS SUBMARINE | | WIDTH BETWEEN FLATS | 1.500 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.170 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 10 | | THREAD SERIES DESIGNATOR | UNC |
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