Part Number
Part Number:
NSN:
NIIN:
Item Name:
RING , PISTON
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 0BR59 | DRESSER-RAND COMPANY DBA STEAM TRBIN |
Federal Supply Class
Title
STEAM TURBINES AND COMPONENTS
Inclusions:
INCLUDES MERCURY VAPOR TURBINES.
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ACXD | RING STYLE | CONCENTRIC |
| ACXD | RING STYLE | CONCENTRIC |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE |
| ACXJ | OVERALL WIDTH | 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| ADTE | JOINT STYLE | VERTICAL JOINT |
| ACXZ | STANDARD BORE DIAMETER | 1.875 INCHES |
| ZZZV | FSC APPLICATION DATA | TURBINE GENERATOR |
| ACXF | RADIAL WALL THICKNESS | 0.0750 INCHES MINIMUM AND 0.0850 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |