6640-21-865-4104

1 6640-21-865-6165 Hydrogen Ion Test Paper HYDRION 6-9RNCC: 3 | RNVC: 2 | DAC: 6 14 Apr 1972 6640-21-865-4104

Mar 1972 6640-14-202-2099 Hydrogen Ion Test Paper 0XYPHENRNCC: 3 | RNVC: 2 | DAC: 6 1 Jan 1963 6640-21-865-4104

7530-66-010-4955 7530660104955 660104955 PAPER,CARBON,PENCIL

3110-66-010-7459 3110660107459 660107459 is a homogenous spherical body, a series of which provides the rolling elements in a bearing, ball (as modified). the item is designed primarily to alleviate friction. it may have other usages such as the checking component in a ball-type check valve. excludes ball, check; ball, valve, ported.

5330-66-010-7505 5330660107505 660107505 is a deformable material which prevents the passage of matter through the joint formed when two faces are joined. it may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. it may be made to any predetermined dimension and shape. excludes flat disks, items made of felt material and items having joints. for round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. excludes disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.