The Valve,check, cataloged under National Stock Number 4820-01-674-3174, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Danfoss Power Solutions II, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Supreme Integrated Technology, Inc. (CAGE 5BN34); Danfoss Power Solutions II, Llc (CAGE 45X75) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-674-3174 |
| Primary Part Number | 02-180553 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| S10610-2000 FN 97 | Supreme Integrated Technology, Inc. (USA) |
| 02-180553 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| S10610-2000 | D/9 Drawing number reference only Supreme Integrated Technology, Inc. |
NSN 4820-01-674-3174 is a Valve,check, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-674-3174 has 2 manufacturer part numbers on file: S10610-2000 FN 97 (Supreme Integrated Technology, Inc.), 02-180553 (Danfoss Power Solutions II, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-680-9532, 4730-01-686-3540. 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.