The Pump Unit,rotary, cataloged under National Stock Number 4320-01-384-1084, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Parker Hannifin Corp Dba Pneutronics. Government technical data includes 8 specifications, 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-384-1084 |
| Primary Part Number | 9B1-2 |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Parker Hannifin Corp Dba Pneutronics |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | OVAL FLANGE |
| Prime Mover Quantity | 1 |
| Maximum Discharge Flow Rate | 2.0 GALLONS PER MINUTE |
| Discharge Connection Type | OVAL FLANGE |
| Intake Connection Quantity | 1 |
| Material | ALUMINUM PUMP BASIC |
| Prime Mover Type | ELECTRIC MOTOR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4320-01-384-1084 is a Pump Unit,rotary, manufactured by Parker Hannifin Corp Dba Pneutronics, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-384-1084 has 2 manufacturer part numbers on file: 4900146 (Rtx Corporation Div Pratt & Whitney), 9B1-2 (Parker Hannifin Corp Dba Pneutronics).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-480-3985. Verify interchangeability with system specifications before substitution.
Key specifications for 9B1-2: Discharge Connection Quantity: 1; Intake Connection Type: OVAL FLANGE; Prime Mover Quantity: 1; Special Features: INLET PORT: 0.375 IN.; OUTLET PORT: 0.375 IN.; TEMP REQ OPER: MINUS 40 DEG F TO 205 DEG F; PUMP MTR MEETS SUNSTRAND DSGN SPEC 2778; INTERCHANGEABLEW/ NSN 4320-01-251-3549AY IN. 8 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.
NSN 4320-01-384-1084 has DEMIL Code Q. 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.