National Item Identification Number
01-263-9987
012639987
5305-01-263-9987
5305012639987
National Stock Number
Item Name
SCREW,EXTERNALLY RELIEVED BODY
Federal Supply Class
5305
Description
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.
Commercial and Government Entity Code (Supplier Data)
26687
TELEDYNE TECHNOLOGIES INC
DBA TELEDYNE
1425 HIGGS RD
LEWISBURG
TN
37091
931-270-2708
98571
TELEDYNE TECHNOLOGIES INCORPORATED
DIV TELEDYNE CONTROLS
12333 W OLYMPIC BLVD
LOS ANGELES
CA
90064
310-442-4136
Reference Numbers (Part Numbers)
846998
846998
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.112 INCHES
40
2A
RIGHT-HAND
0.171 INCHES NOMINAL
0.375 INCHES NOMINA