NATO Stock Number
5320-01-125-1271
Sold in multiples of
25 EA
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Collar Outside Diameter
0.575 inches
Collarheight
0.430 inches
Lubrication
Cetyl alcohol and dry film
Thready Qty Per Inch (tpi)
24
Hardness Rating
46.0 rockwell c collar
Thread Size
0.312 inches
Heat Treatment
T-6 solution heat treated washer
Material
Aluminum alloy 2024 washer
Material
Steel comp 8740 body or steel comp 4130 body or steel comp 4140 body or steel comp 4037 body
Material Specification
Qq-a-250/4 federal specification single material response washer or qq-a-250/5 federal specification single material response washer
Surface Treatment
Anodize washer
Surface Treatment
Cadmium collar and chromate collar
Surface Treatment Specification
Mil-a-8625 military specification single treatment response washer
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response body
Thread Series Designator
Unjf