National Item Identification Number
00-857-4987
National Stock Number
Item Name
NUT,SELF-LOCKING,EXTENDED WASHER,DOUBLE HEXAGON
Federal Supply Class
5310
Description
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Commercial and Government Entity Code (Supplier Data)
56878
56878
56878
77445
Reference Numbers (Part Numbers)
DSR1196-2
FN22-428
395034
395034
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UNF
0.250 INCHES
28
3B
RIGHT-HAND
STEEL OVERALL
CADMIUM OVERALL
NOT RATED