National Item Identification Number
01-388-8791
013888791
5305-01-388-8791
5305013888791
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)
0MES8
M & K ENGINEERING INC
66 CONCORD ST
NORTH READING
MA
01864
978-276-1973
97424
Reference Numbers (Part Numbers)
6550W45P012
6550W45P012
Required Categories
THREAD LENGTH
FASTENER LENGTH
HEAD STYLE
INTERNAL DRIVE STYLE
EXTERNALLY REL
Required Description
0.320 INCHES NOMINAL
0.920 INCHES NOMINAL
C33 PAN NO. 2
D1 CROSS RECESS TYPE