National Item Identification Number
00-271-2289
National Stock Number
Item Name
BOLT,MACHINE
Federal Supply Class
5306
Description
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, BOLT, SHEAR. See also SCREW, CAP, HEXAGON HEAD and SCREW, MACHINE.
Commercial and Government Entity Code (Supplier Data)
D9182
Reference Numbers (Part Numbers)
MIL-DTL-1222
MIL-S-1222
106-4C16
12Z24PC204
280450PC210
319828PC133
330292
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNC
0.250 INCHES
20
2A
RIGHT-HAND
0.750 INCHES MINIMUM
1.000 INCHES NOMINA
