O-RING,
| M L AVIATION LTD INCORPORATING M L WALLOP DEFENCE SYSTEMS LTD | K0349 |
| CURTISS-WRIGHT FLOW CONTROL (UK) LTD | K4234 |
| BRITISH STANDARDS INSTITUTION | K7766 |
| SAFRAN LANDING SYSTEMS UK LTD | K0654 |
| PALL EUROPE LIMITED AEROSPACE DIVISION | K6539 |
| HALLITE SEALS INTERNATIONAL LTD T/A I POLYTEK | U4330 |
| SAFRAN LANDING SYSTEMS UK LTD | K0654 |
| PALL AEROSPACE A DIVISION OF PALL EUROPE LTD | U0088 |
| HALLITE SEALS INTERNATIONAL LTD T/A I POLYTEK | U4330 |
| PALL AEROPOWER CORPORATION | 18350 |
| PALL EUROPE LIMITED AEROSPACE DIVISION | K6539 |
| A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see PACKING,PREFORMED. For noncircular items with a round cross-section, see SEAL,NONMETALLIC ROUND SECTION and RUBBER,ROUND SECTION. |
