The Valve,exhaust Control, cataloged under National Stock Number 4820-01-274-4728, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-274-4728 |
| Item Name | Valve,exhaust Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| 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 |
| Reference | Meaning |
|---|---|
| P812 | 5/9 Secondary reference Universal Equipment Mfg Co Inc |
| C633 | 3/9 Design control — primary reference Universal Equipment Mfg Co Inc |
NSN 4820-01-274-4728 is a Valve,exhaust Control, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-274-4728: Special Features: VALVE SIZE 0.750 IN. IN. 0 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.