The Pump,rotary, cataloged under National Stock Number 4320-01-378-8449, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Danfoss Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-378-8449 |
| Primary Part Number | 06B1E1B2-R20 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Danfoss Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Drive Shaft Type | KEY TYPE, EXTERNAL |
| Intake Connection Quantity | 1 |
| Pump Rotation Direction | CLOCKWISE |
| Operation Method | POWERED |
| 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 |
|---|---|
| 49900-1 | Danfoss Inc (USA) |
| 06B1E1B2-R20 PRIMARY | Danfoss Inc (USA) |
| Reference | Meaning |
|---|---|
| 06B1E1B2-R | 5/9 Secondary reference Danfoss Fluid Power Inc Racine Opn |
| 49900-1 | 5/9 Secondary reference Danfoss Fluid Power Inc Racine Opn |
| 06B1E1B2-R20 | 5/9 Secondary reference Danfoss Fluid Power Inc Racine Opn |
| 06B1E1B2-R | 5/1 Secondary reference Danfoss Inc |
NSN 4320-01-378-8449 is a Pump,rotary, manufactured by Danfoss Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-378-8449 has 2 manufacturer part numbers on file: 49900-1 (Danfoss Inc), 06B1E1B2-R20 (Danfoss Inc).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-656-9548. Verify interchangeability with system specifications before substitution.
Key specifications for 06B1E1B2-R20: Discharge Connection Quantity: 1; Drive Shaft Type: KEY TYPE, EXTERNAL; Intake Connection Quantity: 1; Pump Rotation Direction: CLOCKWISE. 5 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.