5306-00-328-8421, BOLT,SHOULDER

National Stock Number:
5306-00-328-8421

Federal Supply Class:
5306

National Item Identification Number:
003288421

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:

1208202-101

98897

LOCKHEED MARTIN CORP

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.106 INCHES MINIMUM AND 0.126 INCHES MAXIMUM FIRST HOLE
FASTENER LENGTH	7.580 INCHES MINIMUM AND 7.620 INCHES MAXIMUM
HEAD HEIGHT	0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE
SHOULDER DIAMETER	0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	7.240 INCHES MINIMUM AND 7.280 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPE	ROUND FIRST SHOULDER
WIDTH BETWEEN FLATS	0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM
THREAD CLASS	3A
THREAD LENGTH	0.269 INCHES MINIMUM AND 0.305 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNJF
THREAD QUANTITY PER INCH	28

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