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National Stock Number:
5305-00-227-1017
Federal Supply Class:
5305
National Item Identification Number:
002271017
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:
| 12Z1007-136 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 12Z1007-136 | 94135 | NAVAL ORDNANCE STANDARDS |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES MAXIMUM | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CD A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND | | 43.0 ROCKWELL C MAXIMUM OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.367 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 | 0.187 INCHES MINIMUM AND | | 0.189 INCHES MAXIMUM | | NONDEFINITIVE SPEC/STD DATA | C TYPE | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 94135 | | DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | 12Z1007-136 |
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