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National Stock Number:
5306-01-157-8359
Federal Supply Class:
5306
National Item Identification Number:
011578359
Description:
BOLT,EXTERNALLY RELIEVED BODY
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.
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Manufacturer Information:
| B486425 | K0378 | ROLLS-ROYCE PLC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 28 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.580 INCHES MINIMUM AND | | 0.620 INCHES MAXIMUM | | FASTENER LENGTH | 1.270 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | HR 601,FSCM K0378 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | DEE CHAMFER | | HEAD HEIGHT | 0.150 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | SECOND DIAMETER FROM HEAD | 0.190 INCHES MINIMUM AND | | 0.195 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.650 INCHES MINIMUM AND | | 0.690 INCHES MAXIMUM | | SPECIAL FEATURES | 0.500 IN. LG OF BODY GROUND WITH A RADIUS 0.150 IN. EQUALLY FROM EACH END TO 0.195 IN. DIA FROM 0.250 IN. | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | K0378 | | DESIGN CONTROL REFERENCE | B486425 |
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