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National Stock Number:
5305-01-457-0823
Federal Supply Class:
5305
National Item Identification Number:
014570823
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:
| 556-6408040-61 | 53711 | NAVAL SEA SYSTEMS COMMAND | | MILS1222TYII1/4 -20UNCR-3AX1.75 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNRC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.000 INCHES MINIMUM AND | | 1.500 INCHES MAXIMUM | | FASTENER LENGTH | 1.746 INCHES MINIMUM AND | | 1.750 INCHES MAXIMUM | | MATERIAL | ALUMINUM ALLOY OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-261,CL-A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.365 INCHES MINIMUM AND | | 0.375 INCHES MAXIMUM | | HEAD HEIGHT | 0.244 INCHES MINIMUM AND | | 0.250 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL |
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