5306-01-314-6742, BOLT,RIBBED SHOULDER

National Stock Number:
5306-01-314-6742

Federal Supply Class:
5306

National Item Identification Number:
013146742

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:

12363604

19207

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.750 INCHES
THREAD QUANTITY PER INCH	16
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	2.120 INCHES NOMINAL
FASTENER LENGTH	2.750 INCHES NOMINAL
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	SAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PHOSPHATE ZINC OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	DOD-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE	DEE CHAMFER
HEAD DIAMETER	1.280 INCHES NOMINAL
HEAD HEIGHT	0.260 INCHES NOMINAL
SHOULDER SHAPE	RIBBED FIRST SHOULDER
SHOULDER DIAMETER	0.840 INCHES NOMINAL FIRST SHOULDER
SHOULDER LENGTH	0.440 INCHES NOMINAL FIRST SHOULDER
RIB QUANTITY	40
RIB MAJOR DIAMETER	0.8590 INCHES MINIMUM AND
	0.8690 INCHES MAXIMUM
RIB LENGTH	0.380 INCHES NOMINAL
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS	0.320 INCHES NOMINAL
RIB MINOR DIAMETER	0.8255 INCHES MINIMUM AND
	0.8305 INCHES MAXIMUM
THE MANUFACTURERS DATA
MANUFACTURERS CODE	19207
DESIGN CONTROL REFERENCE	12363604

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