An item in the form of a thin sheet, film or membrane, made of metallic or non-metallic material, which is mounted between the two halves of a housing. It is fixed at the edge to form an airtight seal.
NSN 5990-01-200-6711
NSN 5998-01-418-1624
NSN 5975-01-558-8325
NSN 5935-01-079-1046
NSN 5915-01-202-8426
NSN 5945-01-565-8436
NSN 5975-00-566-9393
NSN 6220-01-570-4257
NSN 6610-00-367-9603
NSN 5950-01-161-4571
NSN 5985-01-538-9479
NSN 5935-01-006-1558