5305-00-471-9126, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-00-471-9126

Federal Supply Class:
5305

National Item Identification Number:
004719126

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:

0N706741-1	98230	NATIONAL SECURITY AGENCY
10034194-11	18876	U S ARMY AVIATION AND MISSILE COMMAND
6102SS0440	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6102SS0440-7	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
A320T004-101	10241	TELEPHONE SYSTEMS/COMMUNICATIONS
6102SS0440-7	1YGB8	CAREY MANUFACTURING CO, INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.287 INCHES MINIMUM AND 0.307 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
HEAD DIAMETER	0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
HEAD HEIGHT	0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 1
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
SPECIAL FEATURES	NONSTANDARD POINT NO. 6,0.062 IN. MIN. 0.078 IN. MAX DIA,0.078 IN. LG,90 DEG ANGLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNC

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