The Adapter,aircraft,ma, cataloged under National Stock Number 2840-01-497-4175, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rolls Royce Corp. Government technical data includes 1 specification, 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-497-4175 |
| Primary Part Number | MS51525B4S |
| Item Name | Adapter,aircraft,ma |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rolls Royce Corp |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| MS51525B4S PRIMARY | Rolls Royce Corp (USA) |
NSN 2840-01-497-4175 is a Adapter,aircraft,ma, manufactured by Rolls Royce Corp, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-497-4175 has 1 manufacturer part number on file: MS51525B4S (Rolls Royce Corp).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-543-7034, 4730-01-547-1961. Verify interchangeability with system specifications before substitution.
Key specifications for MS51525B4S: Criticality Code Justification: AGAV; End Item Identification: KC130J AIRCRAFT ENGINE AE2100D3. 1 specification is 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.