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National Stock Number: 5306-01-021-4557
Federal Supply Class: 5306
National Item Identification Number: 010214557
Description: BOLT,INTERNAL WRENCHING
Detail: An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also SCREW, CAP, SOCKET HEAD. Excludes SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; and SCREW, MACHINE.
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Manufacturer Information:
NAS144-22 | 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 | 1.375 INCHES NOMINAL | HEAD DIAMETER | 0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM | HEAD HEIGHT | 0.226 INCHES NOMINAL | HEAD STYLE | BEVEL-CONICAL | INTERNAL DRIVE STYLE | HEXAGON | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | MATERIAL | STEEL COMP 8740 OVERALL | NOMINAL THREAD DIAMETER | 0.250 INCHES | WIDTH ACROSS FLATS | 0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | SURFACE TREATMENT | CADMIUM OVERALL | THREAD CLASS | 3A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.500 INCHES NOMINAL | THREAD QUANTITY PER INCH | 28 | THREAD SERIES DESIGNATOR | UNF |
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