The Valve,check, cataloged under National Stock Number 4820-01-353-6168, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Advanced Turbine Services, L.l.c. Dba Signal Power Group Operating, Llc. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Advanced Turbine Services, L.l.c. Dba Signal Power Group Operating, Llc (CAGE 1R6S6); Vericor Power Systems Llc (CAGE 1N8S8); Dutch Valley Supply Co. (CAGE 31068); Tactair Fluid Controls Inc (CAGE 70236) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-353-6168 |
| Primary Part Number | 0-300-162-04 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Advanced Turbine Services, L.l.c. Dba Signal Power Group Operating, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 0-300-162-04 | Advanced Turbine Services, L.l.c. Dba Signal Power Group Operating, Llc (USA) |
| V0-300-162-04 | Vericor Power Systems Llc (USA) |
| 600047000A | Dutch Valley Supply Co. (USA) |
| 600047000A | Tactair Fluid Controls Inc (USA) |
| 600047000 | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 0-001-110-01 FIND NO 84 | 5/2 Secondary reference U.S. Government activity |
| 0-300-162-04 | 3/2 Design control — primary reference U.S. Government activity |
| 600047000 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-353-6168 is a Valve,check, manufactured by Advanced Turbine Services, L.l.c. Dba Signal Power Group Operating, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-353-6168 has 5 manufacturer part numbers on file: 0-300-162-04 (Advanced Turbine Services, L.l.c. Dba Signal Power Group Operating, Llc), V0-300-162-04 (Vericor Power Systems Llc), 600047000A (Dutch Valley Supply Co.), 600047000A (Tactair Fluid Controls Inc), 600047000 (Tactair Fluid Controls Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-357-8809, 4820-01-358-2586. 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.
NSN 4820-01-353-6168 has DEMIL Code Q. 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.