Classification: Sleeves (pipe couplings) of iron or nonalloy steel
NSN 5990-01-034-8211
NSN 5950-00-969-5683
NSN 6610-01-293-6579
NSN 5935-01-501-4617
NSN 6150-01-602-8054
NSN 6220-00-921-6948
NSN 6220-01-051-3865
NSN 6150-00-833-1266
NSN 6145-00-266-8453
NSN 4140-00-960-4310
NSN 5905-00-165-3284
NSN 5930-01-116-0890