The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-475-2177, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lake Shore Systems, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-475-2177 |
| Primary Part Number | 7A8-08530 ITEM 1 |
| Item Name | Valve,linear,directional Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lake Shore Systems, 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 |
|---|---|
| 7A8-08530 ITEM 1 PRIMARY | Lake Shore Systems, Inc. (USA) |
| 7A8-08530 ITEM 1 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| H4WEH-16J6X/6BW110RNEXET/V | D/9 Drawing number reference only Bosch Rexroth Corporation Div Industrial Hydraulics |
| 7A-08530 ITEM 1 REV H | 5/9 Secondary reference Lake Shore Systems, Inc. |
| H4WEH16J6X/6BW1 | C/1 Advisory reference — outside the item-of-supply concept Bosch Rexroth Corporation Div Industrial Hydraulics |
| RD 758-E/7.84 | D/9 Drawing number reference only Bosch Rexroth Corporation Div Industrial Hydraulics |
NSN 4820-01-475-2177 is a Valve,linear,directional Control, manufactured by Lake Shore Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-475-2177 has 2 manufacturer part numbers on file: 7A8-08530 ITEM 1 (Lake Shore Systems, Inc.), 7A8-08530 ITEM 1 (Lake Shore Systems, Inc.).
Key specifications for 7A8-08530 ITEM 1: Special Features: USED ON NAVY EQUIPMENT. 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.