5306-01-414-6499, BOLT,SHOULDER

5340-01-414-6498 STANDOFF,THREADED,SPACING

National Stock Number:
5306-01-414-6499

Federal Supply Class:
5306

National Item Identification Number:
014146499

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:

A55B32725-17	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A55B32725-17	56878	SPS TECHNOLOGIES, LLC
A55B32725-17	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.625 INCHES
THREAD QUANTITY PER INCH	18
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.630 INCHES NOMINAL
FASTENER LENGTH	2.520 INCHES NOMINAL
MATERIAL	COBALT COMP MP-35-N OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5844 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	SILVER OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-S-365, TYPE 3, GRADE B FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	45.0 ROCKWELL C MINIMUM OVERALL
HEAD STYLE	HEXAGON COUNTERSUNK UNDERCUT
BOTTOM COUNTERSINK DIAMETER	0.910 INCHES NOMINAL
HEAD HEIGHT	0.280 INCHES MINIMUM AND
	0.295 INCHES MAXIMUM
WIDTH BETWEEN FLATS	1.052 INCHES MINIMUM AND
	1.064 INCHES MAXIMUM
COUNTERSINK ANGLE	45.0 DEGREES NOMINAL
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.7460 INCHES MINIMUM AND
	0.7470 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	1.890 INCHES NOMINAL FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	2.328 INCHES NOMINAL THREADS
SHANK UNTHREADED HOLE DIAMETER	0.136 INCHES MINIMUM AND
	0.146 INCHES MAXIMUM THREADS
PRECIOUS MATERIAL	SILVER
PRECIOUS MATERIAL AND LOCATION	OVERALL SILVER

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