NSN 4310-00-974-8218

Part Details | PISTON RING

4310-00-974-8218 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: 576994, 4310-00-974-8218, 00-974-8218, 4310009748218, 009748218

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
43JAN 01, 196200-974-821811459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

PLAIN RECTANGULAR, STRAIGHT FACE

CONCENTRIC

ELONGATED STEP JOINT PINHOLE

STEP JOINT

Cross Reference | NSN 4310-00-974-8218
Part Number Cage Code Manufacturer
57699473030HAMILTON SUNDSTRAND CORPORATION
Technical Data | NSN 4310-00-974-8218
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE STEP JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.1120 INCHES MINIMUM AND 0.1220 INCHES MAXIMUM
OVERALL WIDTH0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM
PIN HOLE STYLE ELONGATED STEP JOINT PINHOLE
PIN HOLE SLOT LENGTH0.003 INCHES MINIMUM AND 0.013 INCHES MAXIMUM
RING WIDTH PIN HOLE DEPTH0.016 INCHES NOMINAL
PIN HOLE CORNER RADIUS0.016 INCHES NOMINAL
STANDARD BORE DIAMETER2.625 INCHES
FSC APPLICATION DATADOME,PROPELLER,AIRCRAFT