National Item Identification Number
00-931-7229
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
77445
56878
Reference Numbers (Part Numbers)
530557
530557
530557
59855-720
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UNJF
0.438 INCHES
20
3B
RIGHT-HAND
STEEL COMP 1137 OVERALL
AMS 5024 ASSN S