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 5950-00-199-3682
NSN 5990-01-460-6390
NSN 6110-00-152-1529
NSN 6130-00-964-9083
NSN 6145-01-062-4200
NSN 5910-01-408-6839
NSN 7035-00-521-6423
NSN 5835-01-056-9303
NSN 5960-00-617-9312
NSN 4140-01-173-7867
NSN 6610-00-871-7468
NSN 5945-01-154-6802