The Valve,check, cataloged under National Stock Number 4820-01-173-9251, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mercedes-Benz Ag. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Mercedes-Benz Ag (CAGE CN7Z7) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-173-9251 |
| Primary Part Number | 0000900210 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mercedes-Benz Ag |
| 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 |
|---|---|
| 0000900210 | Mercedes-Benz Ag (DEU) |
| Reference | Meaning |
|---|---|
| 4537800-158 | 3/9 Design control — primary reference Bae Systems Hagglunds Ab |
| 0000900210 | 5/9 Secondary reference Daimler Ag |
NSN 4820-01-173-9251 is a Valve,check, manufactured by Mercedes-Benz Ag, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-173-9251 has 1 manufacturer part number on file: 0000900210 (Mercedes-Benz Ag).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-346-1780. 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.