The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-691-5167, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Transdigm Inc Div Adelwiggins Group. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-691-5167 |
| Primary Part Number | M1082 |
| Item Name | Valve,regulating,system Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Nondefinitive Spec/std Data | 183.4 LENGTH AND 48.3 WIDTH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-691-5167 is a Valve,regulating,system Pressure, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-691-5167 has 2 manufacturer part numbers on file: M1082 (Transdigm Inc Div Adelwiggins Group), M1082 (Leonardo Spa Aeronautics Division - Venegono Superiore Site).
Key specifications for M1082: Nondefinitive Spec/std Data: 183.4 LENGTH AND 48.3 WIDTH; Special Features: PORT 1 AS4395E4 FITTING TO INFLATABLE CANOPY SEAL; PORT 2 AS4395E4 FITTING TO ENGINE BLEED AIR; PORT 3 AS4395E4 FITTING TO DISCHARGE VENT.; Part Name Assigned by Controlling Agency: CANOPY SEAL ELECTROVALVE; End Item Identification: AIRCRAFT M345. 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.
NSN 4820-01-691-5167 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.