A metallic item designed to be used in conjunction with a plate, reed valve and/or valve, reed.
NSN 5990-01-229-0222
NSN 5965-01-164-0561
NSN 6320-01-516-3836
NSN 5835-00-703-0692
NSN 6620-00-054-4778
NSN 6150-01-157-6319
NSN 5998-00-106-4700
NSN 5975-01-578-6829
NSN 5905-01-246-5076
NSN 5985-01-476-6872
NSN 5975-00-816-7915
NSN 5915-01-118-0933