Vietnam Era Helmet and Liner

[Aragorn243]

Picked up a very nice Vietnam era helmet from the vet that owned it today. He was in the Air Force so it's like new with the exceptions of some paint scuffs on the helmet itself. What I'm curious about is if they can be identified by manufacturer and possibly a date.

Helmet is marked I-4461
Liner is marked US 19

I did some extensive searching but it seems no one cares unless it was made prior to 1946.

Information

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