The Valve,linear,directional Control, cataloged under National Stock Number 4820-00-919-8032, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kemp/real-Time Laboratories. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-00-919-8032 |
| Primary Part Number | K403021 |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Kemp/real-Time Laboratories |
| 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 |
|---|---|
| K403021 PRIMARY | Kemp/real-Time Laboratories (USA) |
| Reference | Meaning |
|---|---|
| 0105-0021 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-00-919-8032 is a Valve,linear,directional Control, manufactured by Kemp/real-Time Laboratories, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-919-8032 has 1 manufacturer part number on file: K403021 (Kemp/real-Time Laboratories).
1 possible match (shared part number, not a government interchangeability claim): 8470-01-127-7337. Verify interchangeability with system specifications before substitution.
Key specifications for K403021: Special Features: 4 WAY,3 POSITION MANUALLY OPERATED; OPERATING PRESSURE 1500 PSI; BURST PRESSURE 3750 PSI; FLUID MIL-H-5606; PRESSURE DROP 90 PSI MAX WITH 2 GPM AT 70 DEG F TO 100 DEG F DEGF. 0 specifications are documented in the U.S. Government catalog.
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.