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National Stock Number:
5305-01-353-2022
Federal Supply Class:
5305
National Item Identification Number:
013532022
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:
| 211041411 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 211041411A | 96169 | ELECTRIC BOAT CORPORATION | | 593-6405224 PIECE 113 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 596-7409312-24 | 53711 | NAVAL SEA SYSTEMS COMMAND | | ANSI B18.3 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED | | 9G412 | 89749 | CLARK MATERIAL HANDLING COMPANY | | R1811 | 07516 | MANITOU NORTH AMERICA INC | | FF-S-86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNRC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.489 INCHES NOMINAL | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | HEAD STYLE | FLAT COUNTERSUNK | | HEAD DIAMETER | 0.480 INCHES MINIMUM AND | | 0.531 INCHES MAXIMUM | | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND | | 84.0 DEGREES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-86 |
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