5305-00-143-3291, SCREW,EXTERNALLY RELIEVED BODY

5305-00-143-3290 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-143-3291

Federal Supply Class:
5305

National Item Identification Number:
001433291

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:

577R005H32	5N116	QUALITY SOCKET SCREW MANUFACTURING CORP
577R005H32	97942	NORTHROP GRUMMAN SYSTEMS CORPORATION
P81-1032-2	04729	UNICORP.
D791515-32	0HDW7	HUCK INTERNATIONAL, INC.
D791515-32	17446	HUCK INTERNATIONAL, INC
D791515-32	97928	HUCK INTL INC
P81-1032-2	73197	HI-SHEAR CORPORATION
P81-1032-2	C4293	ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.555 INCHES MINIMUM AND 0.580 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.795 INCHES MINIMUM AND 0.815 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.143 INCHES MINIMUM AND 0.149 INCHES MAXIMUM
HEAD HEIGHT	0.075 INCHES MINIMUM
HEAD DIAMETER	0.275 INCHES MAXIMUM
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-16974 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL	STEEL COMP 4130 OR STEEL COMP 4140 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
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 LENGTH	0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNF

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