The Valve,expansion, cataloged under National Stock Number 4820-01-216-2660, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Electric Co Alco Controls Div. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,expansion |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Emerson Electric Co Alco Controls Div (CAGE 70255); Tw Metals Llc (CAGE 57644) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-216-2660 |
| Primary Part Number | TCLN 1/2 FW 5FT CAP |
| Item Name | Valve,expansion |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Electric Co Alco Controls Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| TCLN 1/2 FW 5FT CAP PRIMARY | Emerson Electric Co Alco Controls Div (USA) |
| TCLN1/2FW5FTCAP | Tw Metals Llc (USA) |
| Reference | Meaning |
|---|---|
| TCLN1/2FW1/22C | 5/9 Secondary reference Tw Metals Llc |
| TCLN1/2FW1/22C | C/1 Advisory reference — outside the item-of-supply concept Emerson Electric Co Alco Controls Div |
NSN 4820-01-216-2660 is a Valve,expansion, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-216-2660 has 2 manufacturer part numbers on file: TCLN 1/2 FW 5FT CAP (Emerson Electric Co Alco Controls Div), TCLN1/2FW5FTCAP (Tw Metals Llc).
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.