The Valve,butterfly, cataloged under National Stock Number 4820-01-306-7515, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-306-7515 |
| Primary Part Number | 1395AS164-3 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| FSC Application Data | GAU-12/U 25MM GATLING GUN MM |
| Style Designator | "Y" ANGLE |
| Maximum Operating Temp | 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Valve Operation Method | ELECTRIC MOTOR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1395AS164-3 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 3214462-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4820-01-306-7515 is a Valve,butterfly, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-306-7515 has 1 manufacturer part number on file: 1395AS164-3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1395AS164-3: FSC Application Data: GAU-12/U 25MM GATLING GUN MM; Style Designator: "Y" ANGLE; Maximum Operating Temp: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF; Valve Operation Method: ELECTRIC MOTOR. 4 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.
NSN 4820-01-306-7515 has DEMIL Code B. 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.