The Valve,check, cataloged under National Stock Number 4820-01-448-6441, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Babcock Integrated Technology Limited. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Babcock Integrated Technology Limited (CAGE K4744) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-448-6441 |
| Primary Part Number | 600466 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Babcock Integrated Technology Limited |
| 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 |
|---|---|
| 600466 | Babcock Integrated Technology Limited (GBR) |
| Reference | Meaning |
|---|---|
| 2839227-0001 | 3/2 Design control — primary reference U.S. Government activity |
| 1049/63.3 | 5/9 Secondary reference Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) |
| 1049/63.3 | 5/9 Secondary reference Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) |
| P100534 | 5/1 Secondary reference Babcock Integrated Technology Limited |
NSN 4820-01-448-6441 is a Valve,check, manufactured by Babcock Integrated Technology Limited, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-448-6441 has 1 manufacturer part number on file: 600466 (Babcock Integrated Technology Limited).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-448-6442. 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.