The Spring,expander,piston Ring, cataloged under National Stock Number 2810-00-472-6300, is classified within Federal Supply Class 2810 (Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rolls-Royce Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2810-00-472-6300 |
| Primary Part Number | 6810247 |
| Item Name | Spring,expander,piston Ring |
| FSC / FSG | 2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components |
| Manufacturer | Rolls-Royce Corporation |
| 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 |
|---|---|
| 6810247 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6810247 | 5/9 Secondary reference General Motors Corp |
| 6810247 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 6810247 | 5/2 Secondary reference U.S. Government activity |
NSN 2810-00-472-6300 is a Spring,expander,piston Ring, manufactured by Rolls-Royce Corporation, classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
NSN 2810-00-472-6300 has 1 manufacturer part number on file: 6810247 (Rolls-Royce Corporation).
1 possible match (shared part number, not a government interchangeability claim): 2810-01-473-6655. Verify interchangeability with system specifications before substitution.
Key specifications for 6810247: End Item Identification: AIRCRAFT MODEL T56. 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.