The Idler,rotary Pump, cataloged under National Stock Number 4320-01-189-3301, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Pumps North America Llc. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-189-3301 |
| Primary Part Number | RSC312AE |
| Item Name | Idler,rotary Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,15.563 IN. LG,1.875 IN. DIA IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| SF-10512 ITEM 015 X 025 | Circor Pumps North America Llc (USA) |
| RSC312AE PRIMARY | Circor Pumps North America Llc (USA) |
NSN 4320-01-189-3301 is a Idler,rotary Pump, manufactured by Circor Pumps North America Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-189-3301 has 2 manufacturer part numbers on file: SF-10512 ITEM 015 X 025 (Circor Pumps North America Llc), RSC312AE (Circor Pumps North America Llc).
Key specifications for RSC312AE: General Characteristics Item Description: STEEL,15.563 IN. LG,1.875 IN. DIA IN; End Item Identification: TRANSAMERICA DELAVAL,IMO PUMP DIV,MODEL TJ3NU-312 ROTARY PUMP. 1 specification is 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 4320-01-189-3301 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.