NSN 3040-01-302-7784

Part Details | PISTON RING

3040-01-302-7784 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: 4252501, 425250-1, 4252501, 425250-1, 4252501, 425250-1, 3040-01-302-7784, 01-302-7784, 3040013027784, 013027784

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JUN 20, 198901-302-778411459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-01-302-7784
Part Number Cage Code Manufacturer
425250-12V343APEX MANUFACTURING COMPANY, INC.
425250-175370KAYDON RING & SEAL, INC.DBA KAYDON
425250-180020NAVAL AIR WARFARE CENTER AIRCRAFTDIVISION CODE 4.8.8.0.0.B BLDG 148-2
Technical Data | NSN 3040-01-302-7784
Characteristic Specifications
SPECIAL FEATURESTHE ITEM IS A NON-AVIATION CRITICAL SAFETY ITEM (CSI) WHOSE FAILURE WILL SERIOUS INJURY OR DEATH TO PERSONNEL
CRITICALITY CODE JUSTIFICATIONFEAT
END ITEM IDENTIFICATIONAIR LAUNCH AND RECOVERY EQPT