5306-01-324-6708, BOLT,SHOULDER

5306-01-324-6709 BOLT,INTERNAL WRENCHING

National Stock Number:
5306-01-324-6708

Federal Supply Class:
5306

National Item Identification Number:
013246708

Description:
BOLT,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.

Manufacturer Information:

23007573

63005

ROLLS-ROYCE CORPORATION

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	0.351 INCHES MINIMUM AND
	0.361 INCHES MAXIMUM
FASTENER LENGTH	0.765 INCHES MINIMUM AND
	0.767 INCHES MAXIMUM
MATERIAL	NICKEL ALLOY 718 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE	ROUND W/WRENCH FLATS
HEAD DIAMETER	0.500 INCHES NOMINAL
HEAD HEIGHT	0.075 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.430 INCHES MINIMUM AND
	0.439 INCHES MAXIMUM
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.349 INCHES MINIMUM AND
	0.359 INCHES MAXIMUM FIRST SHOULDER
	0.349 INCHES MINIMUM AND
	0.359 INCHES MAXIMUM THIRD SHOULDER
	0.2555 INCHES MINIMUM AND
	0.2560 INCHES MAXIMUM FOURTH SHOULDER
	0.3835 INCHES MINIMUM AND
	0.3845 INCHES MAXIMUM SECOND SHOULDER
SHOULDER LENGTH	0.041 INCHES MINIMUM AND
	0.051 INCHES MAXIMUM FIRST SHOULDER
	0.054 INCHES MINIMUM AND
	0.066 INCHES MAXIMUM THIRD SHOULDER
	0.075 INCHES MINIMUM AND
	0.095 INCHES MAXIMUM FOURTH SHOULDER
	0.100 INCHES NOMINAL SECOND SHOULDER
SPECIAL FEATURES	UNDERCUT 0.226 DIA.,0.025 TO 0.035 BETWEEN THIRD AND FOURTH SHOULDERS; THD. REL. 0.191 TO 0.201 DIA. 0.089 LG

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