The Valve Assembly,manifold, cataloged under National Stock Number 4820-01-657-9988, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve Assembly,manifold |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Fluid System Components, Inc. Div Fluid Systems Components (CAGE 1ET59); Lake Shore Systems, Inc. (CAGE 34712); Lake Shore Systems, Inc. (CAGE 7QAR4) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-657-9988 |
| Primary Part Number | F153798 |
| Item Name | Valve Assembly,manifold |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 211012001-54 | Fluid System Components, Inc. Div Fluid Systems Components (USA) |
| 7D3-07770 ITEM 33 | Lake Shore Systems, Inc. (USA) |
| F153798 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| F153798 | 5/9 Secondary reference Lake Shore Systems, Inc. |
| 7D3-07770 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 4820-01-657-9988 is a Valve Assembly,manifold, manufactured by Lake Shore Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-657-9988 has 3 manufacturer part numbers on file: 211012001-54 (Fluid System Components, Inc. Div Fluid Systems Components), 7D3-07770 ITEM 33 (Lake Shore Systems, Inc.), F153798 (Lake Shore Systems, Inc.).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4820-01-657-9988 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.