The Cap Ring,window, cataloged under National Stock Number 4410-01-084-7985, is classified within Federal Supply Class 4410 (Industrial Boilers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Amec Foster Wheeler North America Corp. Dba Foster Wheeler. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cap Ring,window |
| FSC / FSG | 4410 — Industrial Boilers (FSG 44) |
| Manufacturers | Amec Foster Wheeler North America Corp. Dba Foster Wheeler (CAGE 23230) |
| Parameter | Value |
|---|---|
| NSN | 4410-01-084-7985 |
| Primary Part Number | NY-570-91 226 |
| Item Name | Cap Ring,window |
| FSC / FSG | 4410 / 44 — Industrial Boilers |
| Manufacturer | Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| NY-570-91 226 PRIMARY | Amec Foster Wheeler North America Corp. Dba Foster Wheeler (USA) |
NSN 4410-01-084-7985 is a Cap Ring,window, manufactured by Amec Foster Wheeler North America Corp. Dba Foster Wheeler, classified under FSC 4410, Industrial Boilers. Status: active.
NSN 4410-01-084-7985 has 1 manufacturer part number on file: NY-570-91 226 (Amec Foster Wheeler North America Corp. Dba Foster Wheeler).
1 possible match (shared part number, not a government interchangeability claim): 4410-01-087-7978. Verify interchangeability with system specifications before substitution.
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.