Material is grade 80002; alt.Material is grade 80-55-06 per astem-a536; phosphate is class 1 with non-drying petroleum oils; rockwell hardness a57- 63
A trunicated cone-shaped metal item generally tapered along its entire peripheral length, with a centrally located hole. It may be split (cut) through the material parallel to the axis.
NSN 6145-01-167-8366
NSN 5998-01-311-4560
NSN 6620-01-112-6440
NSN 5895-01-027-5728
NSN 5920-01-241-3227
NSN 5950-01-159-0825
NSN 5855-01-457-7715
NSN 5910-01-510-9454
NSN 6145-00-099-8986
NSN 6240-00-476-1228
NSN 5985-01-543-5811
NSN 5965-00-289-6280