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National Stock Number:
5305-01-456-0177
Federal Supply Class:
5305
National Item Identification Number:
014560177
Description:
SCREW,CAP,SOCKET HEAD
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
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Manufacturer Information:
| 211075815 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 243-6758311-MAS-A25 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 243-6758311-MSA S-A25 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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Techincal Specification:
| FASTENER LENGTH | 3.860 INCHES MINIMUM AND 4.100 INCHES MAXIMUM | | HEAD DIAMETER | 1.293 INCHES MINIMUM AND 1.312 INCHES MAXIMUM | | HEAD HEIGHT | 0.864 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | PATCH OR PELLET OR STRIP THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY OVERALL | | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.875 INCHES | | WIDTH ACROSS FLATS | 0.750 INCHES NOMINAL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 2.250 INCHES MINIMUM AND 3.690 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 9 | | THREAD SERIES DESIGNATOR | UNRC |
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