The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-121-0646, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Pentair Pump Group, Inc. Dba Fairbanks Morse Pump. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (CAGE 10613) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-121-0646 |
| Primary Part Number | T2B1ER 8.5IN CCW |
| Item Name | Impeller,pump,centrifugal |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
| Status | ACTIVE |
| 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 |
|---|---|
| T2B1ER 8.5IN CCW PRIMARY | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA) |
| Reference | Meaning |
|---|---|
| T2BIER-0220-F | C/1 Advisory reference — outside the item-of-supply concept Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
| 2700673-031 | 5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
| 2700673-031 | C/1 Advisory reference — outside the item-of-supply concept Evac North America Inc |
| T2B1ER/8.5 | C/1 Advisory reference — outside the item-of-supply concept Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
NSN 4320-01-121-0646 is a Impeller,pump,centrifugal, manufactured by Pentair Pump Group, Inc. Dba Fairbanks Morse Pump, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-121-0646 has 1 manufacturer part number on file: T2B1ER 8.5IN CCW (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump).
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.