5306-00-095-3347, BOLT,EXTERNALLY RELIEVED BODY

2810-00-095-3346 SPRING,HELICAL,COMPRESSION

National Stock Number:
5306-00-095-3347

Federal Supply Class:
5306

National Item Identification Number:
000953347

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:

115528

00198

PRATT & WHITNEY CANADA CORP

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER	1.507 INCHES MINIMUM AND 1.547 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.300 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER	1.270 INCHES MINIMUM AND 1.290 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	0.670 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	5
FASTENER LENGTH	2.020 INCHES MINIMUM AND 2.040 INCHES MAXIMUM
FIFTH DIAMETER FROM HEAD	0.381 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.381 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
FOURTH DIAMETER FROM HEAD	0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER	0.690 INCHES NOMINAL
HEAD HEIGHT	0.090 INCHES NOMINAL
HEAD STYLE	DRIVE
MATERIAL	STEEL COMP 8740 OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES
SECOND DIAMETER FROM HEAD	0.305 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM OVERALL
THIRD DIAMETER FROM HEAD	0.381 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.493 INCHES MINIMUM AND 0.513 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	24

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