4920-01-660-5781

3439-25-127-1298 3439251271298 251271298

4710-99-762-1051 4710997621051 997621051 is a straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery, which does not conform in cross sectional dimensions to recognized pipe standards, or those in tables 1 through 10, appendix c, fiig a004a. it is designed to convey fluids, gasses, and/or semisolids. it may be rolled into coils for ease in handling. for items designed to join a tube or tube fitting to another tube, pipe, or hose or fitting, see adapter (as modified); coupling (as modified); or nipple (as modified). excludes tube, bent (as modified); pipe, metallic; spacer, sleeve; metal bar (hollow); and items with fittings, except end protectors.

5930-99-813-1051 5930998131051 998131051 is a switch which is actuated by changes in pressure of any gas or liquid or by changes in a vacuum acting upon its sensing element. excludes baroswitch; switch, pressure-thermostatic; and switch, sensitive.

8415-14-208-1051 8415142081051 142081051 is a molded head covering fabricated from laminated cloth and having a protective coating. the fabricated liner may be fragmentation protective. it has a head suspension band assembly to support the liner on the head of the wearer. a headband and neckband may be furnished with the liner.

1940-23-111-1051 1940231111051 231111051 is an inflatable watercraft constructed of fabric and air inflated replaceable bladders. it may consist of gunwale tubes and deck tubes divided amidship by vertical, lateral bulkheads, and containing separate bladder compartments. it may also consist of pockets about the periphery of the fabric item which retain the bladders, providing, when the bladders are inflated, a buoyant outer ring circumscribing a depression with a floor of waterproof fabric and rigid material whereon personnel and material are carried. see also boat, landing, inflatable; lifeboat, inflatable; and surfboard, inflatable. excludes boat, reconnaissance.