5305-01-423-5051, SCREW,EXTERNALLY RELIEVED BODY

5305-01-423-5050 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-423-5051

Federal Supply Class:
5305

National Item Identification Number:
014235051

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:

100-10004-006	58570	TECHNOLOGY DEVELOPMENT CORP
188-22 SS 10-32 E	57177	PROMPTUS ELECTONIC HARDWARE INC
463 SS 20	55566	MATTHEW WARREN, INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.406 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
HEAD DIAMETER	0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM
HEAD HEIGHT	0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 1
INTERNAL DRIVE STYLE	SLOT
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 304 OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.250 INCHES MINIMUM AND 0.266 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNF

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