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National Stock Number:
5305-00-786-6501
Federal Supply Class:
5305
National Item Identification Number:
007866501
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:
| A25698 | 17283 | BEK, INC. | | A25698 | 77842 | EATON CORPORATION | | D25019ITEM12 | 77842 | EATON CORPORATION | | FFS86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.312 INCHES | | THREAD QUANTITY PER INCH | 18 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.628 INCHES MAXIMUM | | FASTENER LENGTH | 0.628 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY K-500 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | HEAD HEIGHT | 0.306 INCHES MINIMUM AND | | 0.312 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.457 INCHES MINIMUM AND | | 0.469 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.250 INCHES MINIMUM AND | | 0.253 INCHES MAXIMUM | | LOCKING FEATURE | PELLET THREADS | | SPECIAL FEATURES | LOCKING ELEMENT TO MEET REQUIREMENTS OF MIL-F-18240 | | SPEC/STD CONTROLLING DATA | | | MANUFACTURERS CODE | 81348 | | NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFS86 |
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