5306-00-448-7450, BOLT,SHOULDER

2040-00-448-7449 STUFFING BOX

National Stock Number:
5306-00-448-7450

Federal Supply Class:
5306

National Item Identification Number:
004487450

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:

71657CR6-6440	56878	SPS TECHNOLOGIES, LLC
AIC4356CR6440	06725	SPS TECHNOLOGIES, LLC
BM4356CR6-440	17446	HUCK INTERNATIONAL, INC
C4356CR-0440	57528	ARROW ELECTRONICS INC ARROW/SCHWEBER ELECTRONICS GROUP
C4356CR6440	81755	LOCKHEED MARTIN CORPORATION
BM4356CR6-440	97928	HUCK INTL INC
VCB0008C6-6-440	06710	VALLEY-TODECO, INC.
PBF4356CR6-440	27624	SPS TECHNOLOGIES LLC
SII 1058CR6-440	57928	SONIC INDUSTRIES, INC.
VS2986CR6-440	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	0.261 INCHES MINIMUM AND
	0.281 INCHES MAXIMUM
FASTENER LENGTH	0.805 INCHES MINIMUM AND
	0.825 INCHES MAXIMUM
MATERIAL	STEEL COMP H11 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE AND
	NAS 672 ASSN STD 1ST TREATMENT RESPONSE OVERALL
HARDNESS RATING	47.0 ROCKWELL C MINIMUM AND
	50.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	220000 POUNDS PER SQUARE INCH
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.172 INCHES MINIMUM AND
	0.204 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.492 INCHES MINIMUM AND
	0.502 INCHES MAXIMUM
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.3735 INCHES MINIMUM AND
	0.3745 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	0.430 INCHES MINIMUM AND
	0.450 INCHES MAXIMUM FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	0.645 INCHES MINIMUM AND
	0.665 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND
	0.086 INCHES MAXIMUM FIRST HOLE
THE MANUFACTURERS DATA
MANUFACTURERS CODE	06725
DESIGN CONTROL REFERENCE	AIC4356CR6440

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