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National Stock Number:
5305-00-995-1539
Federal Supply Class:
5305
National Item Identification Number:
009951539
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:
| FFS86TYPE6 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| FASTENER LENGTH | 1.000 INCHES NOMINAL | | HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM | | HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | HEXAGON | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 CL A OR CL B FED SPEC ALL MATERIAL RESPONSES OVERALL | | MATERIAL | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH ACROSS FLATS | 0.187 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.900 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 20 |
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