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National Stock Number: 5305-00-811-6669
Federal Supply Class: 5305
National Item Identification Number: 008116669
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:
1611209PC90 | 53711 | NAVAL SEA SYSTEMS COMMAND | 5305PL1336616 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | M60FS518-16C | 26233 | NYLOK LLC |
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Techincal Specification:
FASTENER LENGTH | 1.000 INCHES NOMINAL | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL | HEAD DIAMETER | 0.437 INCHES NOMINAL | HEAD HEIGHT | 0.312 INCHES NOMINAL | HEAD STYLE | FLAT CHAMFER | INTERNAL DRIVE STYLE | HEXAGON | LOCKING FEATURE | PELLET THREADS | MATERIAL | STEEL OVERALL | NOMINAL THREAD DIAMETER | 0.312 INCHES | WIDTH ACROSS FLATS | 0.218 INCHES NOMINAL | SURFACE TREATMENT | CADMIUM OVERALL | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.437 INCHES MINIMUM | THREAD SERIES DESIGNATOR | UNC | THREAD QUANTITY PER INCH | 18 |
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