Part Number
Definition:
A CIRCULAR, SINGLE OR MULTIPIECE ITEM, METALLIC OR NONMETALLIC IN COMPOSITION, DESIGNED TO BE FITTED IN A CIRCUMFERENTIAL GROOVE IN A PISTON AND TO SPRING OUTWARD AGAINST THE CYLINDER WALL TO FUNCTION AS A SEAL OR WIPER. IT IS SUPPLIED IN VARIOUS CROSS-SECTIONAL SHAPES AND IS CUT THROUGH AT ONE POINT TO ALLOW FOR INSTALLATION IN THE PISTON RING GROOVE. IT MAY INCLUDE AN EXPANDER. EXCLUDES PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; AND SEAL RING, METAL.
CAGE Information
| Code | Company |
|---|---|
| 81982 | HYDRO-AIRE INC. |
Federal Supply Class
Title
AIRCRAFT HYDRAULIC, VACUUM, AND
Inclusions:
INCLUDES HYDRAULIC AND PNEUMATIC ACCUMULATORS, PUMPS, MOTORS, ACTUATING CYLINDERS, AND FILTERS; DE-ICING BOOTS; FLUID TYPE DE-ICING PUMPS, VALVES AND FILTERS; VACUUM SYSTEM OIL SEPARATORS; PNEUMATIC PRESSURIZATION EQUIPMENT OTHER THAN THAT FOR PRESSURIZING CABINS AND COMPARTMENTS.
Exclusions:
EXCLUDES JET ENGINE HYDRAULIC COMPONENTS (FSC 2840); VALVES SPECIFICALLY DESIGNED FOR AIR CONDITIONING, HEATING, VENTILATING, CABIN PRESSURIZING, AND THERMAL DE-ICING (FSC 1660); VALVES SPECIFICALLY DESIGNED FOR USE WITH AIRCRAFT ENGINES (FSC 2840); GUIDED MISSILES AND GUIDED MISSILE ENGINES (FSC 1338), LANDING GEAR (FSC 1620), WHEEL AND BRAKE SYSTEM COMPONENTS (FSC 1630); OXYGEN BREATHING SYSTEM COMPONENTS (FSC 1660); IN-FLIGHT REFUELING SYSTEM HYDRAULIC COMPONENTS (FSC 1680); SPECIFICALLY DESIGNED HYDRAULIC POWER STEERING SYSTEM COMPONENTS (FSC 1620).