The Disk,valve, cataloged under National Stock Number 4820-01-283-0351, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is A M I Exchangers Limited. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Disk,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | A M I Exchangers Limited (CAGE K5206) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-283-0351 |
| Primary Part Number | 1498/A MOD.2/6IN ITEM 14 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | A M I Exchangers Limited |
| 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 |
|---|---|
| 1498/A MOD.2/6IN ITEM 14 | A M I Exchangers Limited (GBR) |
| Reference | Meaning |
|---|---|
| 1498/A MOD.2/6IN ITEM 14 | 5/9 Secondary reference Young & Cunningham (glasgow) Ltd |
| 1498/A MOD.2/6INS | 5/1 Secondary reference A M I Exchangers Limited |
| 1498/A MOD.2/6IN ITEM 14 | 3/9 Design control — primary reference Young and Cunningham America Inc a Joint Venture |
| 1498/A MOD.2/6INS | 5/9 Secondary reference Young & Cunningham (glasgow) Ltd |
NSN 4820-01-283-0351 is a Disk,valve, manufactured by A M I Exchangers Limited, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-283-0351 has 1 manufacturer part number on file: 1498/A MOD.2/6IN ITEM 14 (A M I Exchangers Limited).
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.