5306-01-205-5902, BOLT,SHOULDER

5305-01-205-5901 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-205-5902

Federal Supply Class:
5306

National Item Identification Number:
012055902

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:

74D421013-2025

76301

THE BOEING COMPANY

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	0.520 INCHES MINIMUM AND
	0.560 INCHES MAXIMUM
FASTENER LENGTH	3.639 INCHES MINIMUM AND
	3.679 INCHES MAXIMUM
MATERIAL	PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.500 INCHES NOMINAL
WIDTH BETWEEN FLATS	1.428 INCHES MINIMUM AND
	1.440 INCHES MAXIMUM
SHOULDER SHAPE	ROUND ALL SHOULDERS
SHOULDER DIAMETER	0.7463 INCHES MINIMUM AND
	0.7475 INCHES MAXIMUM SECOND SHOULDER
	0.991 INCHES MINIMUM AND
	0.992 INCHES MAXIMUM FOURTH HOLE
SHOULDER LENGTH	1.428 INCHES MINIMUM AND
	1.440 INCHES MAXIMUM SECOND SHOULDER
	1.649 INCHES MINIMUM AND
	1.669 INCHES MAXIMUM FOURTH HOLE
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	3.447 INCHES MINIMUM AND
	3.497 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.104 INCHES MINIMUM AND
	0.114 INCHES MAXIMUM FIRST HOLE

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