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National Stock Number:
5306-00-402-3188
Federal Supply Class:
5306
National Item Identification Number:
004023188
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:
| 12H1328-7 | 81755 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| FASTENER LENGTH | 3.500 INCHES NOMINAL | | HEAD DIAMETER | 2.625 INCHES NOMINAL | | HEAD HEIGHT | 0.160 INCHES NOMINAL | | HEAD STYLE | PAN NO. 2 | | INTERNAL DRIVE STYLE | HEXAGON | | NOMINAL THREAD DIAMETER | 2.250 INCHES | | MATERIAL | STEEL OVERALL | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.670 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UN | | THREAD QUANTITY PER INCH | 16 | | WIDTH ACROSS FLATS | 1.000 INCHES NOMINAL |
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