The Valve Assembly, cataloged under National Stock Number 4820-01-337-3546, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 5 specifications, 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 | 4820-01-337-3546 |
| Primary Part Number | 717770002-029 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Valve Quantity | 2 |
| Furnished Items and Quantity | 1 ADAPTER |
| Flange Face Design | PLAIN |
| Connection Type | FLANGE, ROUND W/O HOLES AND THREADED EXTERNAL TUBE |
| End Connection Quantity | 2 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 717770002-029 PRIMARY | Lockheed Martin Corporation (USA) |
| 717770002-029 | Decimal Industries Inc. (USA) |
NSN 4820-01-337-3546 is a Valve Assembly, manufactured by Lockheed Martin Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-337-3546 has 2 manufacturer part numbers on file: 717770002-029 (Lockheed Martin Corporation), 717770002-029 (Decimal Industries Inc.).
Key specifications for 717770002-029: Valve Quantity: 2; Furnished Items and Quantity: 1 ADAPTER; Flange Face Design: PLAIN; Connection Type: FLANGE, ROUND W/O HOLES AND THREADED EXTERNAL TUBE. 5 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 4820-01-337-3546 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.