5306-00-638-6533, BOLT,SHOULDER

National Stock Number:
5306-00-638-6533

Federal Supply Class:
5306

National Item Identification Number:
006386533

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:

726259-3

98897

LOCKHEED MARTIN CORP

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.190 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.277 INCHES MINIMUM AND
	0.278 INCHES MAXIMUM
FASTENER LENGTH	0.840 INCHES NOMINAL
MATERIAL	STEEL COMP 8630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6050 CONDITION F-4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	CHROMIUM GRIP
HARDNESS RATING	40.0 ROCKWELL C MINIMUM AND
	42.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	180000 POUNDS PER SQUARE INCH
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.141 INCHES MINIMUM AND
	0.172 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.428 INCHES MINIMUM AND
	0.440 INCHES MAXIMUM
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	1.2492 INCHES MINIMUM AND
	0.2498 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	0.442 INCHES NOMINAL FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.758 INCHES MINIMUM AND
	0.788 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.069 INCHES MINIMUM AND
	0.074 INCHES MAXIMUM FIRST HOLE
THE MANUFACTURERS DATA
MANUFACTURERS CODE	98897
DESIGN CONTROL REFERENCE	726259-3

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