|
|
|
National Stock Number:
5306-01-157-8362
Federal Supply Class:
5306
National Item Identification Number:
011578362
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.
|
Manufacturer Information:
| B498824 | K0378 | ROLLS-ROYCE PLC |
|
Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.437 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 1.050 INCHES NOMINAL | | FASTENER LENGTH | 3.110 INCHES NOMINAL | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | DTD 5066,FSCM K0378 MFR REF SINGLE MATERIAL RESPONSE OVERALL | | HEAD STYLE | DEE CHAMFER | | HEAD DIAMETER | 0.740 INCHES MINIMUM AND | | 0.750 INCHES MAXIMUM | | HEAD HEIGHT | 0.190 INCHES MINIMUM AND | | 0.200 INCHES MAXIMUM | | DISTANCE FROM CENTERLINE TO FLAT | 0.280 INCHES MINIMUM AND | | 0.285 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.355 INCHES MINIMUM AND | | 0.360 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.355 INCHES MINIMUM AND | | 0.360 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.010 INCHES MINIMUM AND | | 1.050 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.710 INCHES MINIMUM AND | | 1.750 INCHES MAXIMUM | | SPECIAL FEATURES | BOTH DIA ROUNDED WITH RADIUS OF 0.250 IN. ON EACH END | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | K0378 | | DESIGN CONTROL REFERENCE | B498824 |
|
|