The Pump Unit,rotary, cataloged under National Stock Number 4320-01-722-6842, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Watson Marlow, Inc.. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4320-01-722-6842 |
| Primary Part Number | 033.4421.00N |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Watson Marlow, Inc. |
| Status | ACTIVE |
| Unpackaged Unit Length | 85.0 MILLIMETERS NOMINAL MM |
| Pump Quantity | 1 |
| Unpackaged Unit Width | 53.0 MILLIMETERS NOMINAL MM |
| Unpackaged Unit Height | 82.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 033.4421.00N PRIMARY | Watson Marlow, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4365AS0105-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 4365AS0105 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4320-01-722-6842 is a Pump Unit,rotary, manufactured by Watson Marlow, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-722-6842 has 1 manufacturer part number on file: 033.4421.00N (Watson Marlow, Inc.).
Key specifications for 033.4421.00N: Unpackaged Unit Length: 85.0 MILLIMETERS NOMINAL MM; Pump Quantity: 1; Unpackaged Unit Width: 53.0 MILLIMETERS NOMINAL MM; Unpackaged Unit Height: 82.0 MILLIMETERS NOMINAL MM. 4 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.