3120-01-391-5425 BUSHING,SLEEVE Index 3120-01-391-5427 BEARING,SLEEVE

National Stock Number:
5305-01-391-5426

Federal Supply Class:
5305

National Item Identification Number:
013915426

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:
14019407YQ3ETI TECH LLC
14019460168ENJET AERO DAYTON INC


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.880 INCHES MAXIMUM
FASTENER LENGTH2.000 INCHES NOMINAL
MATERIALSTEEL COMP 303 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEHEXAGON
WIDTH BETWEEN FLATS0.437 INCHES NOMINAL
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
POINT LENGTH0.120 INCHES NOMINAL
POINT DIAMETER0.150 INCHES MINIMUM AND
0.160 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1


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