Resilient member material is all metal
No other part numbers with same form, fit, and function found.
NSN 6150-01-163-2791
NSN 5990-01-254-2936
NSN 6220-01-511-0830
NSN 5999-01-256-1121
NSN 5920-01-096-1864
NSN 5835-01-122-9657
NSN 6135-01-359-5798
NSN 5835-00-073-0790
NSN 6650-01-391-3334
NSN 5905-01-431-8726
NSN 6685-01-569-4374
NSN 5835-01-370-4292