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National Stock Number: 5305-01-454-9832
Federal Supply Class: 5305
National Item Identification Number: 014549832
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:
167-6404600 FIND 39 | 53711 | NAVAL SEA SYSTEMS COMMAND | 167-6404610 FIND 61 | 53711 | NAVAL SEA SYSTEMS COMMAND | 211075436 | 43689 | HUNTINGTON INGALLS INC | 211075436 | 53711 | NAVAL SEA SYSTEMS COMMAND | 211097483 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | FF-S-86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM | FASTENER LENGTH | 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM | HEAD DIAMETER | 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | HEAD STYLE | FLAT COUNTERSUNK | INTERNAL DRIVE STYLE | HEXAGON | LOCKING FEATURE | PATCH OR PELLET OR STRIP THREADS | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 CLA FED SPEC SINGLE MATERIAL RESPONSE FASTENER | MATERIAL | NICKEL ALLOY K-500 FASTENER | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE | MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH | MINIMUM YIELD STRENGTH | 90000 POUNDS PER SQUARE INCH | NOMINAL THREAD DIAMETER | 0.250 INCHES | NONDEFINITIVE SPEC/STD DATA | 4 TYPE | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.584 INCHES MINIMUM | THREAD QUANTITY PER INCH | 20 | THREAD SERIES DESIGNATOR | UNRC |
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