NSN 3040-01-161-8212

Part Details | PISTON RING

3040-01-161-8212 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: ST7M342C8P, FR84C8, ST7M342C8P, 3930AS1610C8P, 3930AS1610-C8P, 10106962, J8990P, J8-990P, 3040-01-161-8212, 01-161-8212, 3040011618212, 011618212

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30SEP 11, 198301-161-821211459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

PLAIN RECTANGULAR, STRAIGHT FACE

CONCENTRIC

VERTICAL JOINT

Cross Reference | NSN 3040-01-161-8212
Part Number Cage Code Manufacturer
ST7M342C8P84596AVIATION MANUFACTURING GROUP, LLCDBA FREEMAN CO, THE
FR84C884596AVIATION MANUFACTURING GROUP, LLCDBA FREEMAN CO, THE
ST7M342C8P76301BOEING COMPANY, THEDBA BOEING
3930AS1610-C8P30003NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT
10106962A486GNIMIKKEISTOKESKUS NCB FINLAND
J8-990P99121PRECISION RINGS INCORPORATED
Technical Data | NSN 3040-01-161-8212
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE VERTICAL JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.0450 INCHES NOMINAL
OVERALL WIDTH0.0440 INCHES MINIMUM AND 0.0450 INCHES MAXIMUM
STANDARD BORE DIAMETER0.580 INCHES