The Valve,restrictor Check, cataloged under National Stock Number 4820-01-044-6000, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Goodrich Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Goodrich Corporation (CAGE 6K4C8) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-044-6000 |
| Primary Part Number | 2578970-001A |
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Goodrich Corporation |
| 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 |
|---|---|
| 2578970-001A PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2578970-001A | 5/9 Secondary reference Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| 2578970-001A | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| 2578970 | D/9 Drawing number reference only Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| 2578970-001A | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 2578970 | D/9 Drawing number reference only Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| 6F2710-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-044-6000 is a Valve,restrictor Check, manufactured by Goodrich Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-044-6000 has 1 manufacturer part number on file: 2578970-001A (Goodrich Corporation).
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.