The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-250-7003, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Carrier Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-250-7003 |
| Primary Part Number | 44B3021-610F |
| Item Name | Valve,regulating,system Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Carrier Corp |
| Status | ACTIVE |
| FSC Application Data | VANE AXIAL FAN,FRD STM TDVN |
| 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 |
|---|---|
| 44B3021-610F PRIMARY | Carrier Corp (USA) |
| Reference | Meaning |
|---|---|
| 44B3021-610F | C/1 Advisory reference — outside the item-of-supply concept Elliott Company Div Jeannette |
NSN 4820-01-250-7003 is a Valve,regulating,system Pressure, manufactured by Carrier Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-250-7003 has 1 manufacturer part number on file: 44B3021-610F (Carrier Corp).
Key specifications for 44B3021-610F: FSC Application Data: VANE AXIAL FAN,FRD STM TDVN. 1 specification is documented in the U.S. Government catalog.
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.