The Valve,flow Control, cataloged under National Stock Number 4820-01-495-3710, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-495-3710 |
| Primary Part Number | 123SCEC5170-53 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 123SCEC5170-53 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 3291378-3-1 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 3291378-3-1 PRIMARY | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| Reference | Meaning |
|---|---|
| 123SCEC5170-53 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4820-01-495-3710 is a Valve,flow Control, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-495-3710 has 3 manufacturer part numbers on file: 123SCEC5170-53 (Northrop Grumman Systems Corporation), 3291378-3-1 (Honeywell International Inc. Div Aerospace - Torrance), 3291378-3-1 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)).
Key specifications for 123SCEC5170-53: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: (INAVY)SURGE CONTROL VALVE; End Item Identification: EVAPORATOR UNIT; E-2C HAWKEYE 2000 AIRCRAFT. 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.