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 |
|---|---|---|---|---|---|---|---|---|
| R25398 | 75370 | A | 3 | 2 | 5 | SB | ||
| R25398 | 75394 | A | C | 1 | 5 | ZZ | AC |
CAGE Information
| Code | Company |
|---|---|
| 75370 | KAYDON RING & SEAL INC. |
| 75394 | EMERSON POWER TRANSMISSION CORPORATI |
Federal Supply Class
Title
COMPRESSORS AND VACUUM PUMPS
Inclusions:
INCLUDES TRUCK MOUNTED AND TRAILER MOUNTED COMPRESSORS.
Exclusions:
EXCLUDES REFRIGERATION COMPRESSORS (FSC 4130).
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 |
| ACXZ | STANDARD BORE DIAMETER | 2.625 INCHES |
| ACXF | RADIAL WALL THICKNESS | 0.0760 INCHES MINIMUM AND 0.0860 INCHES MAXIMUM |
| ACXJ | OVERALL WIDTH | 0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| ZZZV | FSC APPLICATION DATA | DAMPER,HYDRAULIC,ACFT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | KOPPERS B-23 MFR REF ALL MATERIAL RESPONSES OVERALL |