National Item Identification Number
01-137-8981
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)
15653
ALCOA GLOBAL FASTENERS DE
DBA ALCOA FASTENING SYSTEMS DIV
800 S COLLEGE BLVD
FULLERTON
CA
92831
805-991-1270
76301
56878
Reference Numbers (Part Numbers)
H50675-8
LH12343-8
ST3M737-8
78351-820
Required Categories
THREAD SERIES
NOMINAL THREAD SIZE
THREAD QUANTITY PER INCH
THREAD CLASS
THRE
Required Description
UNJF
0.500 INCHES
20
2B
RIGHT-HAND
STEEL COMP 601 OVERALL
AMS 6304 ASSN ST