5306-01-157-8362, BOLT,EXTERNALLY RELIEVED BODY

5306-01-157-8361 BOLT,EXTERNALLY RELIEVED BODY

5306-01-157-8363 BOLT,EXTERNALLY RELIEVED BODY

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:

DISTANCE FROM CENTERLINE TO FLAT	0.280 INCHES MINIMUM AND 0.285 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	1.710 INCHES MINIMUM AND 1.750 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.010 INCHES MINIMUM AND 1.050 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	2
FASTENER LENGTH	3.110 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.355 INCHES MINIMUM AND 0.360 INCHES MAXIMUM
HEAD DIAMETER	0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT	0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
HEAD STYLE	DEE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATION	DTD 5066,FSCM K0378 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.437 INCHES
SECOND DIAMETER FROM HEAD	0.355 INCHES MINIMUM AND 0.360 INCHES MAXIMUM
SPECIAL FEATURES	BOTH DIA ROUNDED WITH RADIUS OF 0.250 IN. ON EACH END
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.050 INCHES NOMINAL
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL JOINT FINE (UNJF)

Click here to Register for Free 30-day Trial