Belt height 0.438 in.; perimeter length outside 38.000
NSN 5835-00-853-7785
NSN 5945-01-352-5852
NSN 6135-01-136-8306
NSN 6240-01-260-3597
NSN 6150-00-852-0995
NSN 6240-01-224-6941
NSN 6650-01-095-4987
NSN 4140-01-082-3403
NSN 5920-01-517-9915
NSN 5920-01-136-6802
NSN 6150-01-512-1735
NSN 5905-01-078-6423