The Valve Assembly, cataloged under National Stock Number 4820-01-653-6916, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Rms. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Valve Assembly |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Rms (CAGE 55316) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-653-6916 |
| Primary Part Number | 8384070-003 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Rms |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 8384070-003 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 8384070 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-653-6916 is a Valve Assembly, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Rms, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-653-6916 has 1 manufacturer part number on file: 8384070-003 (Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Rms).
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.