NSN 3040-01-033-2890

Part Details | PISTON RING

3040-01-033-2890 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.

Alternate Parts: FR8418, FR84-18, ST7M34218, ST7M342-18, DS801518, DS8015-18, J38019, J3-8019, 3040-01-033-2890, 01-033-2890, 3040010332890, 010332890

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JAN 02, 197701-033-289011459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

CONCENTRIC

VERTICAL/DIAGONAL JOINT

Cross Reference | NSN 3040-01-033-2890
Part Number Cage Code Manufacturer
FR84-1884596AVIATION MANUFACTURING GROUP, LLCDBA FREEMAN CO, THE
ST7M342-1876301BOEING COMPANY, THEDBA BOEING
DS8015-1871975DOUBLE SEAL RING CO
J3-801999121PRECISION RINGS INCORPORATED
Technical Data | NSN 3040-01-033-2890
Characteristic Specifications
JOINT STYLE VERTICAL/DIAGONAL JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.0440 INCHES NOMINAL
OVERALL WIDTH0.0440 INCHES NOMINAL
SPECIAL FEATURES0.8450 IN. OD
END ITEM IDENTIFICATIONF-15 AIRCRAFT