5306-00-025-7197, BOLT,SHOULDER

National Stock Number:
5306-00-025-7197

Federal Supply Class:
5306

National Item Identification Number:
000257197

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:

5306L20-009	81996	U S ARMY AVIATION AND MISSILE COMMAND
AK708	16410	A AND K MFG CO INC
C2UT203	71867	DE HAVILLAND AIRCRAFT OF CANADA LIMITED
VBP7197-1	53037	HC MERCHANDISERS, INC.

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	3.500 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	3.860 INCHES NOMINAL
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	125000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE
SHOULDER DIAMETER	0.371 INCHES MINIMUM AND 0.374 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	3.245 INCHES MINIMUM AND 3.255 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPE	ROUND FIRST SHOULDER
WIDTH BETWEEN FLATS	0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.610 INCHES MINIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	28

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