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 |
|---|---|---|---|---|---|---|---|---|
| N257PC42 | 30760 | C | 5 | 9 | 1 | AX | ||
| N257PC42 | 88663 | R | 5 | 9 | 1 | AX | ||
| N257PC42 | 0AT62 | A | 3 | 2 | 1 | AX |
CAGE Information
| Code | Company |
|---|---|
| 0AT62 | DRESSER-RAND COMPANY DBA RECIPROCATI |
| 30760 | INGERSOLL RAND CO |
| 88663 | DRESSER-RAND CO INGERSOLL-RAND OPNS |
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 |
| ACXF | RADIAL WALL THICKNESS | 0.0910 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM |
| ADTE | JOINT STYLE | STEP JOINT |
| ACXJ | OVERALL WIDTH | 0.1860 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM |
| ACXZ | STANDARD BORE DIAMETER | 2.500 INCHES |
| MATT | MATERIAL | IRON OVERALL |
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