5305-01-445-4072, SCREW,EXTERNALLY RELIEVED BODY

5935-01-445-4073 BACKSHELL,ELECTRICAL CONNECTOR

National Stock Number:
5305-01-445-4072

Federal Supply Class:
5305

National Item Identification Number:
014454072

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:

11-4914-5	27192	DRS NAVAL POWER SYSTEMS INC
408-SS-20	55566	MATTHEW WARREN, INC
LL-HX3-5234	14153	DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA
PO004454072	14153	DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA
LO1505	16236	DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS)
704-.750-SS-12	51506	ACCURATE SCREW MACHINE CORP

Techincal Specification:

CRITICALITY CODE JUSTIFICATION	ZZZY
DEPARTURE FROM CITED DOCUMENT	AS MODIFIED BY MATERIAL
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
HEAD DIAMETER	0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
HEAD HEIGHT	0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 4
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.164 INCHES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
SPECIAL FEATURES	ITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER COLUMBUS PRODUCTION STANDARD NO. LO1505
SPECIAL TEST FEATURES	SPECIAL QUALITY CONTROL TESTING
SURFACE TREATMENT	PASSIVATE OVERALL
TEST DATA DOCUMENT	81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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