The Pump Unit,rotary, cataloged under National Stock Number 4320-01-206-3566, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Oberdorfer Foundries Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-206-3566 |
| Primary Part Number | 172B-07A82 |
| Item Name | Pump Unit,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Oberdorfer Foundries Inc |
| Status | ACTIVE |
| Intake Connection Type | THREADED INTERNAL |
| Current Type | DC |
| Pumping Element Operating Position | HORIZONTAL |
| Voltage in Volts | 24.0 |
| Prime Mover Quantity | 1 |
| Prime Mover Cooling Medium | ETHYLENE GLYCOL AND WATER, FRESH |
| Maximum Discharge Flow Rate | 3.5 GALLONS PER MINUTE |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Media for Which Designed | ETHYLENE GLYCOL AND WATER, FRESH |
| Total Head | 10.000 FEET FT |
| Current Rating in Amps | 3.0 |
| 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 |
|---|---|
| 172B-07A82 PRIMARY | Oberdorfer Foundries Inc (USA) |
| 1400190 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 172B-7A86 | 5/9 Secondary reference Oberdorfer Foundries Inc |
| 1400190 | 7/9 Vendor item drawing reference Oshkosh Corp |
NSN 4320-01-206-3566 is a Pump Unit,rotary, manufactured by Oberdorfer Foundries Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-206-3566 has 2 manufacturer part numbers on file: 172B-07A82 (Oberdorfer Foundries Inc), 1400190 (Oshkosh Defense Llc).
1 possible match (shared part number, not a government interchangeability claim): 5955-01-291-8953. Verify interchangeability with system specifications before substitution.
Key specifications for 172B-07A82: Intake Connection Type: THREADED INTERNAL; Current Type: DC; Pumping Element Operating Position: HORIZONTAL; Voltage in Volts: 24.0. 12 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.