7510-66-149-4167

5310-21-889-8010 5310218898010 218898010 is a washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. the hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). the thickness cannot exceed 25 percent of the largest outside dimension. when the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. the maximum tolerance is applied to dimensions and used as a determining factor. items with separable lamination use shim. for items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. excludes disk, valve, graphite impregnated and lubricated items.

5330-99-464-6867 5330994646867 994646867 is a pliable rubber or composition ring-shaped element, split or jointless (solid) not encased in a metal shell, but having a spring, spreader and/or molded-in reinforcement. it is designed to be pressmounted between fixed and movable or moving parts to form a tight and effective seal.

4720-14-408-2318 4720144082318 144082318 is a length of nonmetallic hose with fittings on one or both ends. for items without fittings, see hose, nonmetallic. excludes hose assembly, air duct; and hose assembly, air duct, air breathing.