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National Stock Number:
5305-01-133-2181
Federal Supply Class:
5305
National Item Identification Number:
011332181
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:
| 300074 ITEM 4 | 18444 | OIL STATES INDUSTRIES, INC. | | 300074 ITEM 4 | 27826 | EDWARDS AEROSPACE INC | | 300103 ITEM 4 | 18444 | OIL STATES INDUSTRIES, INC. | | 300103 ITEM 4 | 27826 | EDWARDS AEROSPACE INC |
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Techincal Specification:
| FASTENER LENGTH | 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM | | HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM | | HEAD DIAMETER | 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | STRIP OR PELLET OR PATCH THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY K-500 OVERALL | | MINIMUM YIELD STRENGTH | 90000 POUNDS PER SQUARE INCH | | MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 2A | | THREAD LENGTH | 1.120 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 18 |
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