The Radiator,engine Coolant, cataloged under National Stock Number 2935-01-208-8772, is classified within Federal Supply Class 2935 (Engine System Cooling Components, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Raytheon Company Dba Raytheon Co. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2935-01-208-8772 |
| Primary Part Number | N221475-1 |
| Item Name | Radiator,engine Coolant |
| FSC / FSG | 2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| N221475-1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| E-1066-1 | C/1 Advisory reference — outside the item-of-supply concept Go/dan Industries |
| E-1066-1 | C/1 Advisory reference — outside the item-of-supply concept Casg - Navy Aviation Systems Program Office (naspo) |
NSN 2935-01-208-8772 is a Radiator,engine Coolant, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.
NSN 2935-01-208-8772 has 1 manufacturer part number on file: N221475-1 (Raytheon Company Dba Raytheon Co).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-446-6829, 4820-01-446-6842. Verify interchangeability with system specifications before substitution.
Key specifications for N221475-1: Special Features: FIG 74-14, MP12001, T.O. 31P6-2FPS-2FPS20-4, TECHNICAL MANUAL, ILLUSTRATED PARTS BREAKDOWN, RADAR SETS AN/FPS-20, PG 196; End Item Identification: AIR ROUTE SURVEILLANCE RADAR IS ANFPS20. 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.
NSN 2935-01-208-8772 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.