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 |
|---|---|---|---|---|---|---|---|---|
| 9N581 | U3363 | H | 5 | 2 | 2 | ZK | ||
| 9N581 | 11083 | A | 3 | 2 | 5 | AX | ||
| IPD9N0581 | 55883 | A | 5 | 2 | 6 | AX |
CAGE Information
| Code | Company |
|---|---|
| 11083 | CATERPILLAR INC. DBA CATERPILLAR DIV |
| U3363 | CATERPILLAR TRACTOR CO LTD |
| 55883 | INDUSTRIAL PARTS DEPOT INC |
Federal Supply Class
Title
DIESEL ENGINES AND COMPONENTS
Inclusions:
INCLUDES AUTOMOTIVE, INDUSTRIAL, MARINE, LOCOMOTIVE, AND ALL OTHER TYPES OF DIESEL AND SEMI-DIESEL ENGINES.
Exclusions:
EXCLUDES ENGINES ACCESSORIES (FSC 2990).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ACXD | RING STYLE | CONCENTRIC |
| ACXZ | STANDARD BORE DIAMETER | 4.510 INCHES |
| ADTE | JOINT STYLE | VERTICAL JOINT |
| MATT | MATERIAL | STEEL OVERALL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | INSIDE BEVEL, UPPER, STRAIGHT FACE |
| ACXJ | OVERALL WIDTH | 0.1240 INCHES NOMINAL |
| ACXF | RADIAL WALL THICKNESS | 0.1850 INCHES NOMINAL |