The Ring Set,piston, cataloged under National Stock Number 2815-01-023-0713, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-023-0713 |
| Primary Part Number | 1213607H91 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Ring Set Component Parts | COMPRESSION RING,65234 KOPPERS CO INC,1,COMPRESSION RING,65236,KOPPERS CO INC,1,OIL RING,49082-60,KOPPERS CO INC,1 |
| Piston Accommodation Quantity | 1 |
| Standard Bore Diameter | 5.312 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1213607H91 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 87640A80 | 5/9 Secondary reference U.S. Government activity |
| 684183C91 | 5/9 Secondary reference Komatsu American Intl Co |
| 684183C91 | 5/9 Secondary reference U.S. Government activity |
| 1213607H91 | 3/9 Design control — primary reference Komatsu American Intl Co |
NSN 2815-01-023-0713 is a Ring Set,piston, manufactured by Komatsu America Corp., classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-023-0713 has 1 manufacturer part number on file: 1213607H91 (Komatsu America Corp.).
Key specifications for 1213607H91: Ring Set Component Parts: COMPRESSION RING,65234 KOPPERS CO INC,1,COMPRESSION RING,65236,KOPPERS CO INC,1,OIL RING,49082-60,KOPPERS CO INC,1; Piston Accommodation Quantity: 1; Standard Bore Diameter: 5.312 INCHES IN. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.