NSN 2805-00-068-6551

Part Details | PISTON RING

2805-00-068-6551 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: 114H68221, 114H6822-1, 2805-00-068-6551, 00-068-6551, 2805000686551, 000686551

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28JUL 07, 196700-068-655111459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

PLAIN RECTANGULAR, STRAIGHT FACE

CONCENTRIC

STEP JOINT

Cross Reference | NSN 2805-00-068-6551
Part Number Cage Code Manufacturer
114H6822-177272THE BOEING COMPANYDBA BOEING
Technical Data | NSN 2805-00-068-6551
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE STEP JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.1260 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM
OVERALL WIDTH0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
STANDARD BORE DIAMETER2.858 INCHES
SPECIAL FEATURESMAX SURFACE FINISH 125 MICROINCHES AA O/A