5306-00-272-1839, BOLT,SHOULDER

National Stock Number:
5306-00-272-1839

Federal Supply Class:
5306

National Item Identification Number:
002721839

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:

298704PC5

10001

NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER

Techincal Specification:

FASTENER LENGTH	9.500 INCHES MINIMUM AND 9.520 INCHES MAXIMUM
FEATURES PROVIDED	CASEHARDENED
HARDNESS RATING	55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT	0.370 INCHES MINIMUM AND 0.410 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	SAE X-1314 ASSN STD 1ST MATERIAL RESPONSE OR SAE X-1315 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NOMINAL THREAD DIAMETER	0.750 INCHES
SHOULDER DIAMETER	0.856 INCHES MINIMUM AND 0.860 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	8.850 INCHES MINIMUM AND 8.870 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPE	ROUND FIRST SHOULDER
SPECIAL FEATURES	CASEHARDNESS AND ROCKWELL HARDNESS C55 TO C60 APPLIES ONLY TO HEAD AND SHOULDER AND DRAW TEMPER THREAD TO ROCKWELL HARDNESS C35 MAX AND GROOVE 0.656 IN. DIA BY 0.125 W BETWEEN THD AND SHOULDER AND 20 DEG CHAMFER AT THD END OF SHOULDER 0.125 IN. W
WIDTH BETWEEN FLATS	1.250 INCHES MINIMUM AND 1.270 INCHES MAXIMUM
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.515 INCHES MINIMUM AND 0.535 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	16

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