The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-071-4843, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kalmar AC Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Valve,linear,directional Control |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Kalmar AC Inc (CAGE 0AHU0) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-071-4843 |
| Primary Part Number | 4886785 |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Kalmar AC Inc |
| 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 |
|---|---|
| 4886785 PRIMARY | Kalmar AC Inc (USA) |
| 4846112 | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 4886293 | D/9 Drawing number reference only Kalmar AC Inc |
| CM11N02R20TDDL-21-161 | 5/9 Secondary reference Vickers Inc |
| CM11N02R20TDDL21-099 | 5/9 Secondary reference Vickers Inc |
| 4846111 | D/9 Drawing number reference only Kalmar AC Inc |
NSN 4820-01-071-4843 is a Valve,linear,directional Control, manufactured by Kalmar AC Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-071-4843 has 2 manufacturer part numbers on file: 4886785 (Kalmar AC Inc), 4846112 (Kalmar AC Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-119-5020. 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.