Part Details | PISTON RING
2805-00-473-6778 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: 539, 53-9, BB29588, 2805-00-473-6778, 00-473-6778, 2805004736778, 004736778
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
28 | JAN 01, 1963 | 00-473-6778 | 11459 ( RING, PISTON ) |
REFERENCE DRAWINGS & PICTURES
INSIDE COUNTERBORE, STRAIGHT FACE

CONCENTRIC

Cross Reference | NSN 2805-00-473-6778
Part Number | Cage Code | Manufacturer |
---|---|---|
53-9 | 80819 | ABEX CORPENGINEERED PRODUCTS DIV |
BB29588 | 56442 | DIAMOND REO TRUCK CO |
Technical Data | NSN 2805-00-473-6778
Characteristic | Specifications |
---|---|
CROSS-SECTIONAL SHAPE STYLE | INSIDE COUNTERBORE, STRAIGHT FACE |
RING STYLE | CONCENTRIC |
RADIAL WALL THICKNESS | 0.0900 INCHES MINIMUM AND 0.1000 INCHES MAXIMUM |
OVERALL WIDTH | 0.1235 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM |
STANDARD BORE DIAMETER | 2.125 INCHES |
FSC APPLICATION DATA | GASOLINE ENGINE,NONAIRCRAFT |