5305-01-073-1715, SCREW,EXTERNALLY RELIEVED BODY

1260-01-073-1716 BEAM TRANSLATOR ASSEMBLY

National Stock Number:
5305-01-073-1715

Federal Supply Class:
5305

National Item Identification Number:
010731715

Description:
SCREW,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 undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Manufacturer Information:

11507964	18876	U S ARMY AVIATION AND MISSILE COMMAND
11507964	6S522	CONTAINER MACHINERY, INC.
11507964	82577	RAYTHEON COMPANY

Techincal Specification:

DISTANCE FROM CENTERLINE TO FLAT	0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.270 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	1.800 INCHES NOMINAL
FIRST DIAMETER FROM HEAD	0.343 INCHES MINIMUM AND 0.345 INCHES MAXIMUM
HARDNESS RATING	24.0 ROCKWELL C MINIMUM OVERALL
HEAD DIAMETER	0.372 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT	0.450 INCHES NOMINAL
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 416 OVERALL
NOMINAL THREAD DIAMETER	0.500 INCHES
SURFACE TREATMENT	CHROMIUM OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.530 INCHES NOMINAL
THREAD QUANTITY PER INCH	13
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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