National Stock Number (NSN) Output Data
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.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| 637A439-001 | 01289 | A | 3 | 2 | 6 | AX |
CAGE Information
| Code | Company |
|---|---|
| 01289 | GENERAL ELECTRIC COMPANY DBA GE DIV |
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 |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE |
| ZZZV | FSC APPLICATION DATA | TURBINE,STEAM |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| ADTE | JOINT STYLE | STEP JOINT |
| ACXJ | OVERALL WIDTH | 0.2470 INCHES NOMINAL |
| ACXF | RADIAL WALL THICKNESS | 0.2120 INCHES MINIMUM AND 0.2270 INCHES MAXIMUM |
| ACXZ | STANDARD BORE DIAMETER | 6.250 INCHES |