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National Stock Number: 5305-01-205-9157
Federal Supply Class: 5305
National Item Identification Number: 012059157
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:
841224 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | 841224 | 13973 | LITTON SYSTEMS INC. DIV NAVIGATION SYSTEMS DIVISION |
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Techincal Specification:
FASTENER LENGTH | 0.375 INCHES NOMINAL | HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL | HEAD DIAMETER | 0.134 INCHES MINIMUM AND 0.140 INCHES MAXIMUM | HEAD HEIGHT | 0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM | HEAD STYLE | FLAT CHAMFER | INTERNAL DRIVE STYLE | HEXAGON | MATERIAL | STEEL CORROSION RESISTING OVERALL | WIDTH ACROSS FLATS | 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | PASSIVATE OVERALL | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD QUANTITY PER INCH | 56 | THREAD SERIES DESIGNATOR | UNC |
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