The Body,valve, cataloged under National Stock Number 4820-01-444-5641, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Circor Aerospace, Inc. Div Circor. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-444-5641 |
| Primary Part Number | 3343506-1 |
| Item Name | Body,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Circor Aerospace, Inc. Div Circor |
| Status | ACTIVE |
| Valve Type for Which Designed | REGULATOR |
| Port Quantity | 3 |
| Material Document and Classification | AMS 4320 ASSN STD SINGLE MATERIAL RESPONSE |
| Valve Design Control Activity | 98897 |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 3343506-1 | Circor Aerospace, Inc. Div Circor (USA) |
| Reference | Meaning |
|---|---|
| 3343506 | D/9 Drawing number reference only U.S. Government activity |
| 3343506-1 | 3/2 Design control — primary reference U.S. Government activity |
| 3343506-1 | 5/9 Secondary reference Air New Zealand Ltd Air New Zealand Engineering Services |
NSN 4820-01-444-5641 is a Body,valve, manufactured by Circor Aerospace, Inc. Div Circor, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-444-5641 has 1 manufacturer part number on file: 3343506-1 (Circor Aerospace, Inc. Div Circor).
Key specifications for 3343506-1: Valve Type for Which Designed: REGULATOR; Port Quantity: 3; Material Document and Classification: AMS 4320 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 5.440 INCHES NOMINAL IN. 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.
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.