The Cock,drain, cataloged under National Stock Number 4820-01-666-9983, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Northern Lights Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Cock,drain |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Northern Lights Inc (CAGE 8L945) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-666-9983 |
| Primary Part Number | 21-10021 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Northern Lights Inc |
| 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 |
|---|---|
| 21-10021 PRIMARY | Northern Lights Inc (USA) |
NSN 4820-01-666-9983 is a Cock,drain, manufactured by Northern Lights Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-666-9983 has 1 manufacturer part number on file: 21-10021 (Northern Lights Inc).
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.