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National Stock Number: 5305-00-983-9122
Federal Supply Class: 5305
National Item Identification Number: 009839122
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:
10015476-126 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | 910060-0404 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION | LL57U40J4 | 03038 | LONG-LOK, LLC | LL57U40J4M | 03038 | LONG-LOK, LLC |
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Techincal Specification:
FASTENER LENGTH | 0.250 INCHES NOMINAL | HEAD DIAMETER | 0.178 INCHES MINIMUM AND 0.183 INCHES MAXIMUM | HEAD HEIGHT | 0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM | HEAD STYLE | FLAT CHAMFER | INTERNAL DRIVE STYLE | HEXAGON | LOCKING FEATURE | STRIP THREADS | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | STEEL CORROSION RESISTING OVERALL | NOMINAL THREAD DIAMETER | 0.112 INCHES | WIDTH ACROSS FLATS | 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM | SURFACE TREATMENT | PASSIVATE OVERALL | THREAD CLASS | 3A | THREAD LENGTH | 0.250 INCHES MINIMUM | THREAD DIRECTION | RIGHT-HAND | THREAD QUANTITY PER INCH | 40 | THREAD SERIES DESIGNATOR | UNC |
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