Inst denotes special grade cleaning
An item of solid one-piece construction, designed to restrict the flow of a fluid through it. It has an orifice of a smaller size than the diameter of flow into it. Excludes items such as valve (1), (as modified); and others with an adjustable orifice. Excludes pipe, tube, or hose fittings with restricted passages and items designed to test fluid flow. For items containing screens or filters, see restrictor unit, fluid flow.
NSN 6135-00-660-8654
NSN 6220-01-360-9659
NSN 5930-00-636-8888
NSN 4140-01-028-9602
NSN 5945-00-043-1347
NSN 5920-00-231-8950
NSN 5990-01-094-7740
NSN 6130-01-413-7777
NSN 5920-01-646-2743
NSN 5910-00-221-2889
NSN 6240-01-318-1522
NSN 5975-00-190-2319