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National Stock Number:
5305-01-499-6592
Federal Supply Class:
5305
National Item Identification Number:
014996592
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:
| 0.250-20UNC-2A X 0.625LG CRES | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | 596-7409667-33 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | | 752-7068445-21 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 752-7068459-46 | 53711 | NAVAL SEA SYSTEMS COMMAND | | H832-1620-21 | 96169 | ELECTRIC BOAT CORPORATION | | 60-16-8305A | 96169 | ELECTRIC BOAT CORPORATION | | H832-1633-46 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL | | FASTENER LENGTH | 0.625 INCHES NOMINAL | | HEAD DIAMETER | 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | PATCH THREADS OR STRIP THREADS OR PELLET THREADS | | MATERIAL DOCUMENT AND CLASSIFICATION | F-S-86 TYPE 4 FED SPEC 5TH MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 302 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 316 OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.625 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 20 | | THREAD SERIES DESIGNATOR | UNC |
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