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National Stock Number:
5306-01-608-3091
Federal Supply Class:
5306
National Item Identification Number:
016083091
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:
| 3M1277E4D38A | 1EM77 | B & B SPECIALTIES INC | | 3M1277E4D38A | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM | | HEAD HEIGHT | 0.015 INCHES MAXIMUM | | HEAD DIAMETER | 0.358 INCHES MINIMUM AND 0.365 INCHES MAXIMUM | | HEAD STYLE | FILLISTER COUNTERSUNK | | INTERNAL DRIVE STYLE | TORX | | NOMINAL THREAD DIAMETER | 0.2500 INCHES | | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, 100-DEG REDUCED HEAD, GEAR DRIVE RECESS | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.4250 INCHES NOMINAL | | THREAD QUANTITY PER INCH | 28 | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
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