5306-01-123-1399, BOLT,SHOULDER

5305-01-123-1398 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-123-1399

Federal Supply Class:
5306

National Item Identification Number:
011231399

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:

10115767	A486G	NIMIKKEISTOKESKUS NCB FINLAND
74A410731-2001	13002	GOODRICH CORPORATION
74A410731-2001	3Z260	A. J. ASSOCIATES MANUFACTURING & ENGINEERING CO. INC.
74A410731-2001	56540	ASSOCIATED AIRCRAFT MANUFACTURING & SALES, INC.
74A410731-2001	6Z056	CM MANUFACTURING INC
74A410731-2001	76301	THE BOEING COMPANY

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	0.300 INCHES NOMINAL
FASTENER LENGTH	1.805 INCHES NOMINAL
MATERIAL	STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-8844 CL 3 COND E2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MINIMUM TENSILE STRENGTH	280000 POUNDS PER SQUARE INCH
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.125 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.615 INCHES MINIMUM AND
	0.627 INCHES MAXIMUM
SHOULDER SHAPE	ROUND ALL SHOULDERS
SHOULDER DIAMETER	0.561 INCHES MINIMUM AND
	0.562 INCHES MAXIMUM FIRST SHOULDER
	0.498 INCHES MINIMUM AND
	0.499 INCHES MAXIMUM SECOND SHOULDER
SHOULDER LENGTH	0.445 INCHES MINIMUM AND
	0.455 INCHES MAXIMUM FIRST SHOULDER
	0.520 INCHES MINIMUM AND
	0.530 INCHES MAXIMUM SECOND SHOULDER
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	1.620 INCHES MINIMUM AND
	1.630 INCHES MAXIMUM FIRST HOLE
SHANK UNTHREADED HOLE DIAMETER	0.078 INCHES MINIMUM AND
	0.083 INCHES MAXIMUM FIRST HOLE
SPECIAL FEATURES	SECOND SHOULDER-ECCENTRIC WITH A 32 FINISH; THIRD SHOULDER 0.436 MIN AND 0.437 MAX DIA BY 0.445 LONG
THE MANUFACTURERS DATA
MANUFACTURERS CODE	76301
DESIGN CONTROL REFERENCE	74A410731-2001

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