National Item Identification Number
00-993-2571
009932571
5305-00-993-2571
5305009932571
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)
06003
KIDDE FIRE TRAINERS INC
DBA SYMTRON SYSTEMS INC.
17 PHILIPS PARKWAY
MONTVALE
NJ
07645
201-300-8100
14418
UNISYS CORP
DEFENSE SYSTEMS
2476 SWEDESFORD RD
MALVERN
PA
19355
610-648-4000
Reference Numbers (Part Numbers)
DBG1003
DBG1003
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.138 INCHES
32
2A
RIGHT-HAND
0.234 INCHES MINIMUM AND
0.266 INCHES MA