The Pump,rotary, cataloged under National Stock Number 4320-01-178-8486, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 7 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 | 4320-01-178-8486 |
| Primary Part Number | BXL2-1-2NFA |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | ROUND FLANGE |
| Operating Speed at Rated Capacity | 500.0 REVOLUTIONS PER MINUTE |
| Discharge Pressure | 0.0 LIGHT COMMERCIAL HEATING AND COOLING - ENERGY STAR-HEATING AND COOLING - ENERGY EFFICIENT PRODUCTS |
| Maximum Discharge Flow Rate | 100.0 GALLONS PER MINUTE |
| Discharge Connection Type | ROUND FLANGE |
| Intake Connection Quantity | 1 |
| 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 |
|---|---|
| E-4449 PIECE 48 | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| BXL2-1-2NFA PRIMARY | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
NSN 4320-01-178-8486 is a Pump,rotary, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-178-8486 has 2 manufacturer part numbers on file: E-4449 PIECE 48 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), BXL2-1-2NFA (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-192-0448. Verify interchangeability with system specifications before substitution.
Key specifications for BXL2-1-2NFA: Discharge Connection Quantity: 1; Intake Connection Type: ROUND FLANGE; Operating Speed at Rated Capacity: 500.0 REVOLUTIONS PER MINUTE; Discharge Pressure: 0.0 LIGHT COMMERCIAL HEATING AND COOLING - ENERGY STAR-HEATING AND COOLING - ENERGY EFFICIENT PRODUCTS. 7 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.