5305-01-152-4694, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-152-4694

Federal Supply Class:
5305

National Item Identification Number:
011524694

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:

11-1556	27192	DRS NAVAL POWER SYSTEMS INC
P011524694	14153	DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.531 INCHES NOMINAL
CRITICALITY CODE JUSTIFICATION	ZZZY
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM
HEAD DIAMETER	0.401 INCHES NOMINAL
HEAD HEIGHT	0.222 INCHES NOMINAL
HEAD STYLE	FILLISTER
INTERNAL DRIVE STYLE	SLOT
MATERIAL	STEEL COMP 305 OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
SPECIAL TEST FEATURES	SPECIAL QUALITY CONTROL TESTING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-Z-325,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	ZINC AND CHROMATE 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 LENGTH	0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	20
THREAD SERIES DESIGNATOR	UNC

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