3020-21-847-3471

5330-00-530-0713 5330005300713 005300713 is a circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. it may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. excludes felt items but includes multimaterial items in which one of the materials is felt. for solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. for rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. for circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

2590-15-144-1165 2590151441165 151441165 TUBETTO ISOLANTE

7610-27-023-8058 7610270238058 270238058 is a collection of two or more sheets of any length or shape, written or printed. the sheets are fastened together between covers and may be permanently bound or punched for permanent loose-leaf binding or stored on electronic media, containing no programs or software. does not include maintenance, installlation, and/or operating instructions applicable to one or more related pieces of equipment, see manual, technical. do not use if a more specific name exists, such as bible; dictionary; and hymnbook. see also book set.

2510-15-231-6322 2510152316322 152316322 PARAFANGO

4730-33-116-5210 4730331165210 331165210 is an item having internal and/or external machine thread(s) (threads other than pipe or hose series), specifically designed to retain, by means or groove(s), shoulder(s), and the like, packing and/or a packing gland within a stuffing box. see also bushing, machine thread; inverted nut, tube coupling; and nut, tube coupling. excludes packing nut, stuffing tube; and use with electrical cable, and locknut, pipe.