NSN 3040-00-323-8912

Part Details | PISTON RING

3040-00-323-8912 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: FR848, FR84-8, ST7M3428, ST7M342-8, DS80158, DS8015-8, FR848, FR84-8, ST7M3428, ST7M342-8, J38007, J3-8007, 3040-00-323-8912, 00-323-8912, 3040003238912, 003238912

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30NOV 24, 197300-323-891211459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

PLAIN RECTANGULAR, STRAIGHT FACE

CONCENTRIC

VERTICAL JOINT

Cross Reference | NSN 3040-00-323-8912
Part Number Cage Code Manufacturer
FR84-884596AVIATION MANUFACTURING GROUP, LLCDBA FREEMAN CO, THE
ST7M342-876301BOEING COMPANY, THEDBA BOEING
DS8015-871975DOUBLE SEAL RING CO
FR84-884592FRANKLIN PAINT COMPANY, INC.
ST7M342-832067MARVIN ENGINEERING CO., INC.DBA MARVIN GROUP, THE
J3-800799121PRECISION RINGS INCORPORATED
Technical Data | NSN 3040-00-323-8912
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE VERTICAL JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.0400 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM
OVERALL WIDTH0.0440 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM
STANDARD BORE DIAMETER0.625 INCHES