A metallic item designed to be used in conjunction with a plate, reed valve and/or valve, reed.
NSN 5920-01-433-0301
NSN 6645-01-170-7368
NSN 5930-00-799-3667
NSN 5925-01-655-0824
NSN 5975-00-012-4376
NSN 5950-00-545-7881
NSN 6240-01-363-8258
NSN 5895-01-634-0630
NSN 6650-01-472-2244
NSN 5920-00-281-2488
NSN 6685-01-356-8177
NSN 5935-01-310-6155