The item is made of astm-b-164; ther is a second piece included clled a hub
No other part numbers with same form, fit, and function found.
A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a retainer, helical compression spring. Excludes washer (1), (as modified); seat, ball socket and holder, spring. See also rotor, engine poppet valve.
NSN 5905-01-480-3777
NSN 5960-01-495-0859
NSN 5999-00-175-9657
NSN 5920-00-190-7466
NSN 6150-00-268-3659
NSN 6135-01-455-2233
NSN 5925-01-032-5389
NSN 5985-01-525-5244
NSN 6610-01-309-5361
NSN 6620-01-319-9804
NSN 6645-00-279-1777
NSN 5920-01-254-2753