5306-00-741-1426, BOLT,RIBBED SHOULDER

National Stock Number:
5306-00-741-1426

Federal Supply Class:
5306

National Item Identification Number:
007411426

Description:
BOLT,RIBBED SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also BOLT, RIBBED NECK.

Manufacturer Information:

2280036	23862	MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP MS 2603-02
7411426	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
7411426	23862	MILITARY VEHICLES OPN GENERAL MOTORS TRUCK AND BUS GROUP MS 2603-02
7411426	5N116	QUALITY SOCKET SCREW MANUFACTURING CORP
7411426	7X677	GENERAL MOTORS LLC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.375 INCHES
THREAD QUANTITY PER INCH	24
NONSTANDARD THREAD PITCH DIAMETER	0.3446 TO 0.3479 INCHES
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.875 INCHES MINIMUM AND
	0.937 INCHES MAXIMUM
FASTENER LENGTH	1.250 INCHES MINIMUM AND
	1.312 INCHES MAXIMUM
MATERIAL	STEEL COMP 1040 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING	20.0 ROCKWELL C MINIMUM AND
	25.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	110000 POUNDS PER SQUARE INCH
HEAD STYLE	PAN NO. 2
HEAD DIAMETER	0.625 INCHES NOMINAL
HEAD HEIGHT	0.188 INCHES NOMINAL
SHOULDER SHAPE	RIBBED FIRST SHOULDER
SHOULDER DIAMETER	0.438 INCHES NOMINAL FIRST SHOULDER
SHOULDER LENGTH	0.188 INCHES NOMINAL FIRST SHOULDER
RIB MAJOR DIAMETER	0.490 INCHES MINIMUM AND
	0.495 INCHES MAXIMUM
RIB LENGTH	0.156 INCHES NOMINAL
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS	0.031 INCHES NOMINAL

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