5305-00-494-1953, SCREW,EXTERNALLY RELIEVED BODY

5310-00-494-1949 WASHER,FLAT

5340-00-494-1956 ROD END,THREADED

National Stock Number:
5305-00-494-1953

Federal Supply Class:
5305

National Item Identification Number:
004941953

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:

290-043-0003	95542	NORTHROP GRUMMAN SYSTEMS CORPORATION
AS6200A3P	08714	AERO-STAT CO

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.157 INCHES MINIMUM AND 0.217 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.094 INCHES NOMINAL
HEAD DIAMETER	0.284 INCHES NOMINAL
HEAD HEIGHT	0.075 INCHES NOMINAL
HEAD STYLE	WATERTIGHT
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL	STEEL OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.112 INCHES
SPECIAL FEATURES	FURNISHED WITH ONE O-RING SEAL AND ONE POLYTETRAFLUOROETHYLENE SHIM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	40

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