5306-01-218-4536, BOLT,SHOULDER

5305-01-218-4535 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5306-01-218-4536

Federal Supply Class:
5306

National Item Identification Number:
012184536

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:

388119-1	98897	LOCKHEED MARTIN CORP
388119-5	98897	LOCKHEED MARTIN CORP

Techincal Specification:

DISTANCE FROM CENTERLINE TO FLAT	0.800 INCHES MINIMUM AND 0.810 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER	7.280 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH	7.480 INCHES NOMINAL
HEAD DIAMETER	1.750 INCHES NOMINAL
HEAD HEIGHT	0.380 INCHES NOMINAL
HEAD STYLE	DEE CHAMFER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP E4340 OVERALL
PROPRIETARY CHARACTERISTICS	PACS
NOMINAL THREAD DIAMETER	0.875 INCHES
SHANK UNTHREADED HOLE DIAMETER	0.139 INCHES MINIMUM FIRST HOLE AND 0.145 INCHES MAXIMUM FIRST HOLE
SHOULDER DIAMETER	0.124 INCHES MINIMUM THIRD SHOULDER AND 0.125 INCHES MAXIMUM THIRD SHOULDER
SHOULDER DIAMETER	1.074 INCHES MINIMUM SECOND SHOULDER AND 1.084 INCHES MAXIMUM SECOND SHOULDER
SHOULDER DIAMETER	1.124 INCHES MINIMUM FIRST SHOULDER AND 1.125 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH	1.900 INCHES NOMINAL THIRD SHOULDER
SHOULDER LENGTH	2.010 INCHES NOMINAL FOURTH HOLE
SHOULDER SHAPE	ROUND ALL SHOULDERS
SHOULDER LENGTH	2.590 INCHES NOMINAL SECOND SHOULDER
SPECIAL FEATURES	UNDERCUT UNDER HEAD DIAMETER 1.090 TO 1.099 LENGTH 0.180 AND UNDERCUT BETWEEN THREAD AND FIRST SHOULDER DIAMETER 0.769 TO 0.779 LENGTH 0.210 TO 0.240
SURFACE TREATMENT	PAINT BEARING SURFACE OF HEAD
SURFACE TREATMENT	PAINT POINT
SURFACE TREATMENT	PAINT SIDES OF HEAD
SURFACE TREATMENT	CHROMATE GRIP
SURFACE TREATMENT	TITANIUM THREADS AND CADMIUM THREADS
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.420 INCHES MINIMUM AND 0.450 INCHES MAXIMUM
THREAD QUANTITY PER INCH	14
THREAD SERIES DESIGNATOR	UNF

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