5306-01-191-4571, BOLT,SHOULDER

5305-01-191-4570 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-191-4571

Federal Supply Class:
5306

National Item Identification Number:
011914571

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:

PBF1263-5D35	27624	SPS TECHNOLOGIES LLC
S11-1065-5D35	57928	SONIC INDUSTRIES, INC.
ST3M494-5D35	06950	HOWMET GLOBAL FASTENING SYSTEMS INC
ST3M494-5D35	76301	THE BOEING COMPANY
ST3M494-5D35	80539	SPS TECHNOLOGIES, LLC
ST3M494-5D35	K5673	SPS TECHNOLOGIES LTD TJ BROOKS DIVISION
VS3251-5-D-35	92215	HOWMET GLOBAL FASTENING SYSTEMS INC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.312 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.434 INCHES MINIMUM AND
	0.504 INCHES MAXIMUM
FASTENER LENGTH	2.632 INCHES MINIMUM AND
	2.682 INCHES MAXIMUM
MATERIAL	IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	24.0 ROCKWELL C MINIMUM AND
	35.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	130000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH	85000 POUNDS PER SQUARE INCH
HEAD STYLE	DISHED HEXAGON
HEAD HEIGHT	0.188 INCHES MINIMUM AND
	0.203 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.553 INCHES MINIMUM AND
	0.564 INCHES MAXIMUM
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.3740 INCHES MINIMUM AND
	0.3745 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	2.178 INCHES MINIMUM AND
	2.198 INCHES MAXIMUM FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.441 INCHES MINIMUM AND
	2.511 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND
	0.086 INCHES MAXIMUM FIRST HOLE

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