The Drain Cock,spec, cataloged under National Stock Number 4820-01-595-3058, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is John Deere Construction & Forestry Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Drain Cock,spec |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | John Deere Construction & Forestry Company (CAGE 1QME2) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-595-3058 |
| Primary Part Number | 21-10001 |
| Item Name | Drain Cock,spec |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | John Deere Construction & Forestry Company |
| 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 |
|---|---|
| 21-10001 PRIMARY | John Deere Construction & Forestry Company (USA) |
| Reference | Meaning |
|---|---|
| 21-10001 | 3/9 Design control — primary reference John Deere Construction & Forestry Company Div Direct Governmental Sales |
NSN 4820-01-595-3058 is a Drain Cock,spec, manufactured by John Deere Construction & Forestry Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-595-3058 has 1 manufacturer part number on file: 21-10001 (John Deere Construction & Forestry Company).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-666-9282. 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.