30530 - Gaskets, Packing & Sealing devices (Miscellaneous)
30534 - Compression packings
3053411 - - Plant fiber compression packings
3053413 - - Asbestos-containing compression packings
3053415 - - Synthetic fiber, Plastics composition compression packings
3053417 - - All other Compression packings (General)
3053418 - - All other Compression packings (General)
3053499 - - Compression packings (Miscellaneous)
30535 - Nonmetallic gaskets & Gasketing
3053511 - - Asbestos gaskets & Gasketing, Compressed
3053513 - - Asbestos gaskets & Gasketing, Beater saturated
3053515 - - Elastomeric gaskets & Gasketing, all materials
3053517 - - Paper, Felt base & Plant fiber gaskets & Gasketing
3053519 - - Cork & Cork composition gaskets & Gasketing
3053521 - - Fluorocarbon (incl Envelope-type) gaskets & Gasketing
3053523 - - Nonmetallic asbestos cloth (incl Cloth with binder) gaskets & Gasketing
3053529 - - Other Nonmetallic, Gaskets & Gasketing (General)
3053531 - - Other Nonmetallic gaskets & Gasketing (General)
3053599 - - Nonmetallic gaskets & Gasketing (Miscellaneous)
30536 - Molded packings & Seals
3053621 - - Molded O-rings (incl Spliced, excl metal)
3053622 - - Molded squeeze-type, Solid section ring seals (incl Rectangular, Quad, Delta, D & Tee, excl O-rings)
3053625 - - Molded flexible seals, Dual component-cushioned rings, Backed, Constrained, or Loaded by an elastomeric ring
3053626 - - Molded flexible seals, Single & Multiple component lip type, both Symmetrical & Nonsymmetrical, V-rings, V-ring sets, U-cup
3053630 - - Molded diaphragm seal-flat, Rolling
3053635 - - All other Molded packings & Seals, incl Nonmetallic exclusion devices & Nonmetallic piston rings
3053699 - - Molded packings & Seals (Miscellaneous)
30537 - Metallic gaskets & Machined seals
3053729 - - Metallic spiral wound filler type gaskets & Machined seals
3053739 - - Metallic gaskets & Machined seals, Heavy cross-section, API type
3053741 - - Metallic gaskets & Machined seals, Piston rings (Nonautomotive)
3053743 - - Metallic gaskets & Machined seals, Exclusion devices
3053748 - - Other Metallic gaskets & Machined seals (Exclusion devices, Heavy cross-section API type, Nonautomotive piston rings)
3053749 - - Other Metal gaskets & Machined seals (General)
3053799 - - Metallic gaskets & Machined seals (Miscellaneous)
30538 - Axial mechanical face seals
3053810 - - Complete axial mechanical seals with single coil springs
3053813 - - Complete axial mechanical seals with multiple coil springs
3053815 - - Complete axial mechanical seals with bellows
3053817 - - Parts for all axial mechanical face seals
3053819 - - Clearance, Labyrinth & other Axial mechanical face seals (General)
3053899 - - Axial mechanical face seals (Miscellaneous)
30539 - Rotary oil seals
3053970 - - Bonded, Sprung (Spring-loaded) rotary oil seals
3053973 - - Bonded, Unsprung (Nonspring-loaded) rotary oil seals
3053975 - - Unitized rotary oil seals
3053977 - - Nonmetallic rotary oil seals
3053979 - - Nonbonded assembled rotary oil seals
3053981 - - Other Rotary oil seals (Labyrinth, Proximity, all metallic, Inflatable, Displacement, or Boundary lubrication seals)
3053999 - - Rotary oil seals (Miscellaneous)
3053XX0 - - Gaskets, Packing & Sealing devices (Miscellaneous)
3053XX2 - - Gaskets, Packing & Sealing devices (Miscellaneous : Speciality )