The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-251-0662, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4820-01-251-0662 |
| Primary Part Number | BKDG3-698 |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd |
| 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 |
|---|---|
| BKDG3-698 | Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 5029209-031 | 7/1 Vendor item drawing reference U.S. Government activity |
| BKDG3-698 | 3/9 Design control — primary reference Vickers Inc |
| 5029209-031-103 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-251-0662 is a Valve,linear,directional Control, manufactured by Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-251-0662 has 1 manufacturer part number on file: BKDG3-698 (Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-251-0663, 5306-01-266-7924. Verify interchangeability with system specifications before substitution.
Key specifications for BKDG3-698: Special Features: GREY CAST IRON,ASTM A48 C1 40 BODY;STEEL AISI 1213-12L14 CONTROL LEVER;MOLDED PHENOLIC PLASTIC CONTROL KNOB;OPERATING PRESSURE 5000 PSI;TEMPERATURE RANGE -58 DEG F TO 125 DEG F;O/A LENGTH 4.688 IN.;OD 2.010 IN.;SPRING CENTERED IN. 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.