The Cock,drain, cataloged under National Stock Number 4820-01-107-2259, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dressta North America Ltd. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Cock,drain |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Dressta North America Ltd (CAGE 45RP7) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-107-2259 |
| Primary Part Number | 57786 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dressta North America Ltd |
| 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 |
|---|---|
| 57786 PRIMARY | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| 57786 | 5/9 Secondary reference Komatsu America Corporation |
| D-57786 | 5/9 Secondary reference Komatsu America Corporation |
NSN 4820-01-107-2259 is a Cock,drain, manufactured by Dressta North America Ltd, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-107-2259 has 1 manufacturer part number on file: 57786 (Dressta North America Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-185-6302, 4820-01-235-0803. Verify interchangeability with system specifications before substitution.
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.