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National Stock Number:
5305-00-919-8147
Federal Supply Class:
5305
National Item Identification Number:
009198147
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:
| 202-15500-4-16 | 80378 | TRIUMPH AEROSTRUCTURES, LLC | | AS110-4-16 | 84256 | AVIBANK MFG., INC. | | CA4850-04-16 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. |
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Techincal Specification:
| FASTENER LENGTH | 1.415 INCHES MINIMUM AND 1.462 INCHES MAXIMUM | | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.131 INCHES MINIMUM AND 0.141 INCHES MAXIMUM | | HEAD STYLE | HEXAGON | | INTERNAL DRIVE STYLE | SLOT | | LOCKING FEATURE | DETENT BALL GRIP | | MATERIAL | STEEL COMP 4340 OR STEEL COMP 8740 OVERALL | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM | | SURFACE FINISH | 32.0 MICROINCHES GRIP | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | CADMIUM OR CHROMATE OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.261 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNF |
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