NSN 2805-00-684-2221

Part Details | PISTON RING

2805-00-684-2221 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: 58A154B2, 58A154B2, 58A154B2, 2805-00-684-2221, 00-684-2221, 2805006842221, 006842221

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28JAN 01, 196300-684-222111459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

PLAIN RECTANGULAR, STRAIGHT FACE

RING,PISTON | 2805-00-684-2221, 006842221

CONCENTRIC

RING,PISTON | 2805-00-684-2221, 006842221

VERTICAL JOINT

RING,PISTON | 2805-00-684-2221, 006842221
Cross Reference | NSN 2805-00-684-2221
Part Number Cage Code Manufacturer
58A154B210001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
58A154B230003NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT
58A154B202387NAVAL AIR WARFARE CENTERAIRCRAFT DIV
Technical Data | NSN 2805-00-684-2221
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE VERTICAL JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.0250 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM
OVERALL WIDTH0.0300 INCHES MINIMUM AND 0.0310 INCHES MAXIMUM
STANDARD BORE DIAMETER0.562 INCHES
FSC APPLICATION DATARACK,BOMB,AIRCRAFT