The Valve,exhaust Control, cataloged under National Stock Number 4820-01-436-8917, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Humphrey Products Co. Government technical data includes 6 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-436-8917 |
| Primary Part Number | QE3 |
| Item Name | Valve,exhaust Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Humphrey Products Co |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Material | ALUMINUM BODY |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| QE3 PRIMARY | Humphrey Products Co (USA) |
NSN 4820-01-436-8917 is a Valve,exhaust Control, manufactured by Humphrey Products Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-436-8917 has 1 manufacturer part number on file: QE3 (Humphrey Products Co).
Key specifications for QE3: Flow Control Device: DISK; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Nominal Thread Size: 0.375 INCHES ALL ENDS IN; Material: ALUMINUM BODY. 6 specifications are 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.