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National Stock Number:
5305-01-541-5356
Federal Supply Class:
5305
National Item Identification Number:
015415356
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:
| 167-6985304-51 | 53711 | NAVAL SEA SYSTEMS COMMAND | | EB211047545F | 53711 | NAVAL SEA SYSTEMS COMMAND | | H541-0298-51 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 0.500 INCHES NOMINAL | | HEAD DIAMETER | 0.438 INCHES NOMINAL | | HEAD HEIGHT | 0.125 INCHES NOMINAL | | HEAD STYLE | DOUBLE CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | PELLET ALL SHOULDERS | | MATERIAL DOCUMENT AND CLASSIFICATION | 57280/ZYTEL 101 MFR REF SINGLE MATERIAL RESPONSE LOCKING FEATURE | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CL 316,CD B FED SPEC SINGLE MATERIAL RESPONSE FASTENER | | MATERIAL | PLASTIC NYLON LOCKING FEATURE | | MINIMUM TENSILE STRENGTH | 110000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | RETAINING SCREW | | SHOULDER DIAMETER | 0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM ALL SHOULDERS | | SHOULDER SHAPE | ROUND ALL SHOULDERS | | SHOULDER LENGTH | 0.281 INCHES NOMINAL ALL SHOULDERS | | SPECIAL FEATURES | LOCKING PELLET IS LOCATED 0.172 INCH FROM RUNOUT OF THREAD ON SHOULDER | | WIDTH ACROSS FLATS | 0.187 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.219 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 18 | | THREAD SERIES DESIGNATOR | UNC |
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