National Item Identification Number
01-239-9847
012399847
5305-01-239-9847
5305012399847
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)
33574
EMPIRE MANUFACTURING CORP
DIV EMPIRE MFG. CORPORATION
74 OAK ST STE 1
BRIDGEPORT
CT
06604
203-368-4288
52661
UNITED TECHNOLOGIES CORPORATION
PRATT & WHITNEY DIVISION
400 MAIN ST
EAST HARTFORD
CT
06108
860-557-0228
Reference Numbers (Part Numbers)
773442
773442
773442
Required Categories
THREAD SERIES DESIGNATOR
Required Description
UNF