NSN 2805-00-323-8906

Part Details | PISTON RING

2805-00-323-8906 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: FR847, FR84-7, ST7M3427, ST7M342-7, DS80157, DS8015-7, J38006, J3-8006, 2805-00-323-8906, 00-323-8906, 2805003238906, 003238906

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28NOV 24, 197300-323-890611459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

PLAIN RECTANGULAR, STRAIGHT FACE

RING,PISTON | 2805-00-323-8906, 003238906

CONCENTRIC

RING,PISTON | 2805-00-323-8906, 003238906

VERTICAL JOINT

RING,PISTON | 2805-00-323-8906, 003238906
Cross Reference | NSN 2805-00-323-8906
Part Number Cage Code Manufacturer
FR84-784596AVIATION MANUFACTURING GROUP, LLCDBA FREEMAN CO, THE
ST7M342-776301BOEING COMPANY, THEDBA BOEING
DS8015-771975DOUBLE SEAL RING CO
J3-800699121PRECISION RINGS INCORPORATED
Technical Data | NSN 2805-00-323-8906
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 DIAMETER0.750 INCHES
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATIONFEAT
END ITEM IDENTIFICATIONMILSTAR SYSTEM; ENGINE, AIRCRAFT TF33-P-3/5/9 (C/EC-135, B-52H); AIRCRAFT, EAGLE F-15