National Item Identification Number
00-855-7911
008557911
5305-00-855-7911
5305008557911
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)
06845
RAYTHEON COMPANY
DBA RAYTHEON
1300 E JOPPA RD
BALTIMORE
MD
21286
410-583-4485
59475
REX SYSTEMS INCORPORATED
10684 43RD AVE
CHIPPEWA FALLS
WI
54729
715-723-9313
Reference Numbers (Part Numbers)
4023643-0001
4023643-0001
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.138 INCHES
32
2A
RIGHT-HAND
0.250 INCHES MINIMUM
0.660 INCHES NOMINA