5306-00-503-5273, BOLT,EXTERNALLY RELIEVED BODY

5935-00-503-5274 CONNECTOR,PLUG,ELECTRICAL

National Stock Number:
5306-00-503-5273

Federal Supply Class:
5306

National Item Identification Number:
005035273

Description:
BOLT,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is No. 10 (0.190 IN.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, INTERNAL WRENCHING and THUMBSCREW. See also SCREW, EXTERNALLY RELIEVED BODY.

Manufacturer Information:

1304127-119

98897

LOCKHEED MARTIN CORP

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	2.063 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER	2.620 INCHES NOMINAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER	2.870 INCHES MINIMUM AND 2.900 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.650 INCHES NOMINAL
EXTENDED WASHER DIAMETER	2.070 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	4.125 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	1.123 INCHES MINIMUM AND 1.124 INCHES MAXIMUM
HEAD HEIGHT	1.225 INCHES NOMINAL
HEAD STYLE	HEXAGON EXTENDED WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP E4340 OVERALL
NOMINAL THREAD DIAMETER	1.000 INCHES
SECOND DIAMETER FROM HEAD	0.998 INCHES MINIMUM AND 0.999 INCHES MAXIMUM
WIDTH BETWEEN FLATS	1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	LC+77-1061,TY 2,FCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THIRD DIAMETER FROM HEAD	0.872 INCHES MINIMUM AND 0.882 INCHES MAXIMUM
THREAD CLASS	3A
THREAD LENGTH	3.845 INCHES MINIMUM AND 3.875 INCHES MAXIMUM
THREAD QUANTITY PER INCH	12
THREAD SERIES DESIGNATOR	UNJF

Click here to Register for Free 30-day Trial