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National Stock Number:
5305-00-685-3729
Federal Supply Class:
5305
National Item Identification Number:
006853729
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:
| 3321-1162P1 | 49956 | RAYTHEON COMPANY | | 52S300C8-7 | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES, INC. | | 52S300C8-7 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 52S300C8-7 | 79U29 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | FF-S-86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| FASTENER LENGTH | 0.438 INCHES NOMINAL | | HEAD DIAMETER | 0.267 INCHES NOMINAL | | HEAD HEIGHT | 0.162 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.438 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | | WIDTH ACROSS FLATS | 0.126 INCHES NOMINAL | | SURFACE TREATMENT | PASSIVATE OVERALL |
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