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National Stock Number: 5305-00-646-8110
Federal Supply Class: 5305
National Item Identification Number: 006468110
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:
1621222PC1 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
FASTENER LENGTH | 0.625 INCHES NOMINAL | HEAD DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM | HEAD HEIGHT | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM | HEAD STYLE | BUTTON | INTERNAL DRIVE STYLE | HEXAGON | LOCKING FEATURE | PELLET THREADS | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | STEEL COMP 303 OVERALL | NOMINAL THREAD DIAMETER | 0.250 INCHES | WIDTH ACROSS FLATS | 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM | SURFACE TREATMENT | PASSIVATE OVERALL | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.525 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | THREAD SERIES DESIGNATOR | UNC | THREAD QUANTITY PER INCH | 20 |
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