National Item Identification Number
01-166-4524
011664524
5306-01-166-4524
5306011664524
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)
K5673
SPS TECHNOLOGIES LTD TJ BROOKS DIVIS
ON
191 BARKBY ROAD TROON INDUSTRIAL ARE
LEICESTER
LE4 9HX
UNITED KINGDOM
01162 768261
K7766
BRITISH STANDARDS INSTITUTION
389 CHISICK HIGH ROAD
LONDON
W4 4AL
UNITED KINGDOM
0208 996 9000
Reference Numbers (Part Numbers)
AS21521
AS21521
Required Categories
THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR
Required Description
UNJF
0.250 INCHES
28
3A
RIGHT-HAND
0.750 INCHES MINIMUM AND
0.810 INCHES M