The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-490-2549, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tescom Corp Dba Tescom Div Tescom. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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,regulating,fluid Pressure |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Tescom Corp Dba Tescom Div Tescom (CAGE 13669) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-490-2549 |
| Primary Part Number | 26-1613-26-397 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tescom Corp Dba Tescom Div Tescom |
| 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 |
|---|---|
| 26-1613-26-397 PRIMARY | Tescom Corp Dba Tescom Div Tescom (USA) |
| Reference | Meaning |
|---|---|
| A41162-08 | D/9 Drawing number reference only Tescom Corp Dba Tescom Div Tescom |
NSN 4820-01-490-2549 is a Valve,regulating,fluid Pressure, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-490-2549 has 1 manufacturer part number on file: 26-1613-26-397 (Tescom Corp Dba Tescom Div Tescom).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-490-2557. 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.