5306-01-345-3739, BOLT,SHOULDER

5305-01-345-3738 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-345-3739

Federal Supply Class:
5306

National Item Identification Number:
013453739

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:

A51B23553-11	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B23553-11	61174	NORTHROP GRUMMAN SYSTEMS CORPORATION
A51B23553-11	79RG9	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.375 INCHES
THREAD QUANTITY PER INCH	24
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.516 INCHES NOMINAL
FASTENER LENGTH	3.215 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5002 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	43.0 ROCKWELL C MINIMUM AND
	48.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH	200000 POUNDS PER SQUARE INCH
HEAD STYLE	ROUND W/WRENCH FLATS
HEAD DIAMETER	0.875 INCHES NOMINAL
HEAD HEIGHT	0.250 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.750 INCHES NOMINAL
SHOULDER SHAPE	ROUND FIRST SHOULDER
SHOULDER DIAMETER	0.498 INCHES MINIMUM AND
	0.499 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	3.215 INCHES NOMINAL FIRST SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	3.486 INCHES NOMINAL FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES MINIMUM AND
	0.116 INCHES MAXIMUM FIRST HOLE
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT

Click here to Register for Free 30-day Trial