The Ring,piston, cataloged under National Stock Number 2815-01-474-9922, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is John Deere Construction & Forestry Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-01-474-9922 |
| Primary Part Number | 3078190 |
| Item Name | Ring,piston |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | John Deere Construction & Forestry Company |
| Status | ACTIVE |
| 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 |
|---|---|
| 3078190 PRIMARY | John Deere Construction & Forestry Company (USA) |
| Reference | Meaning |
|---|---|
| AT219623 | 5/9 Secondary reference John Deere Construction & Forestry Company Div Direct Governmental Sales |
| 3078190 | 3/9 Design control — primary reference John Deere Construction & Forestry Company Div Direct Governmental Sales |
NSN 2815-01-474-9922 is a Ring,piston, manufactured by John Deere Construction & Forestry Company, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-01-474-9922 has 1 manufacturer part number on file: 3078190 (John Deere Construction & Forestry Company).
Key specifications for 3078190: End Item Identification: CONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS), HYDRAULIC EXCAVATOR TYPE 3 (HYEX)(MODEL 330 LCR HX3), NSN 3805-01-463-0805, TM5-3805-281-24P. 0 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.