The Cylinder Block Unit,hydraulic Mo, cataloged under National Stock Number 4320-01-421-8092, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-421-8092 |
| Primary Part Number | 2D2-03798 |
| Item Name | Cylinder Block Unit,hydraulic Mo |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 2D2-03798 PRIMARY | Lake Shore Systems, Inc. (USA) |
| 2D3-03807-1 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2D3-03807 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 4320-01-421-8092 is a Cylinder Block Unit,hydraulic Mo, manufactured by Lake Shore Systems, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-421-8092 has 2 manufacturer part numbers on file: 2D2-03798 (Lake Shore Systems, Inc.), 2D3-03807-1 (Lake Shore Systems, Inc.).
7 possible matches (shared part number, not a government interchangeability claim): 3895-01-421-8095, 4820-01-421-8097, 3910-01-421-8467. Verify interchangeability with system specifications before substitution.
Key specifications for 2D2-03798: Overall Height: 10.000 INCHES NOMINAL IN; Overall Length: 18.5000 INCHES NOMINAL IN; Overall Width: 6.000 INCHES NOMINAL IN; End Item Identification: NAVY WEAPON SYSTEM CODE JG SEAWOLF CLASS SSN. 1 specification is 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.