National Item Identification Number
00-121-8240
National Stock Number
Item Name
SCREW,MACHINE
Federal Supply Class
5305
Referenced on: http://www.tpub.com/content/boats/TM-5-2805-261-23P/TM-5-2805-261-23P0021.htm
Referenced on: http://www.tpub.com/content/boats/TM-5-2805-261-23P/TM-5-2805-261-23P0049.htmDescription
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal 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. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Commercial and Government Entity Code (Supplier Data)
U1621
1UVT5
21119
NSN (National Stock Number) 5305-00-121-8240, 5305001218240 NIIN (National Identification Number) 00-121-8240, 001218240
Part Numbers (Reference Numbers)
307832
307832
307832
307832
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
2A
RIGHT-HAND
0.306 INCHES MINIMUM
0.375 INCHES MINIMU