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National Stock Number:
5305-01-412-9815
Federal Supply Class:
5305
National Item Identification Number:
014129815
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:
| FF-S-86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | NAS1351-4HLB12P | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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Techincal Specification:
| FASTENER LENGTH | 1.345 INCHES MINIMUM AND 1.375 INCHES MAXIMUM | | 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 | | HOLE CONFIGURATION STYLE | ROUND INTERNAL HEXAGON | | HOLE DIAMETER | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 6 | | INTERNAL DRIVE STYLE | HEXAGON | | LOCKING FEATURE | PATCH HEAD | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | SPECIFICATION/STANDARD DATA | 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.960 INCHES MINIMUM AND 1.000 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNRF | | WIDTH ACROSS FLATS | 0.2500 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM |
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