The Valve,pneumatic Tank, cataloged under National Stock Number 4820-01-166-4561, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-166-4561 |
| Primary Part Number | 200890203 |
| Item Name | Valve,pneumatic Tank |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk |
| Status | ACTIVE |
| Flow Control Device | PLUG |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Style Designator | PLAIN |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| End Connection Quantity | 2 |
| Second End Style Designator | PLAIN |
| First End Connection Type | UNTHREADED EXTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.500 INCHES NOMINAL IN |
| Material | STEEL COMP 630 BODY |
| Second End Connection Type | UNTHREADED EXTERNAL TUBE |
| Second End Outside Diameter Tube Accommodated | 0.285 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 200890203 PRIMARY | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
NSN 4820-01-166-4561 is a Valve,pneumatic Tank, manufactured by Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-166-4561 has 1 manufacturer part number on file: 200890203 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk).
Key specifications for 200890203: Flow Control Device: PLUG; Second End Relationship with First End: NOT IDENTICAL; Body Style: STRAIGHT THRU; First End Style Designator: PLAIN. 12 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.