1-3/8 in.
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NSN 6650-01-609-8848
NSN 6105-01-116-5854
NSN 5985-01-435-0451
NSN 6320-01-384-3850
NSN 6240-00-201-1200
NSN 6650-01-102-7847
NSN 5910-01-487-3735
NSN 5996-00-768-0171
NSN 5999-00-487-5054
NSN 5835-00-315-3797
NSN 5835-00-217-2147