A length of pipe with full circle, elongated, arch or arches of circular arc cross-sectional shape. it may include preformed nestable half shell sections.
NSN 6620-01-026-0346
NSN 5945-01-463-4210
NSN 5910-01-434-2236
NSN 5950-00-552-1991
NSN 5920-00-106-5751
NSN 5975-01-415-9751
NSN 5915-01-526-1867
NSN 5945-01-555-8373
NSN 5960-00-230-5331
NSN 6110-01-157-0756
NSN 5998-01-303-7491
NSN 5990-01-633-9503