5306-01-281-7801, BOLT,SHOULDER

National Stock Number:
5306-01-281-7801

Federal Supply Class:
5306

National Item Identification Number:
012817801

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:

10518858

56161

GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION

Techincal Specification:

DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	4.000 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	4.250 INCHES NOMINAL
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM GRIP
HARDNESS RATING	33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM THREADS
HARDNESS RATING	43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM HEAD
HEAD HEIGHT	2.250 INCHES NOMINAL
HEAD STYLE	SQUARE
MATERIAL	STEEL COMP 4140H OR STEEL COMP 4142H OVERALL
NOMINAL THREAD DIAMETER	0.500 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.219 INCHES MINIMUM AND 0.235 INCHES MAXIMUM FIRST HOLE
SHOULDER DIAMETER	0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	1.250 INCHES NOMINAL FIRST SHOULDER
SHOULDER SHAPE	ROUND FIRST SHOULDER
SPECIAL FEATURES	HEAD SLANTED 45 DEGREES; ROCKWELL C HARDENED 1.250 IN. MIN. TO 1.750 IN. MAX ON HEAD
WIDTH BETWEEN FLATS	0.907 INCHES MINIMUM AND 0.938 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	1.375 INCHES NOMINAL
THREAD QUANTITY PER INCH	13
THREAD SERIES DESIGNATOR	UNC

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