The Pump,rotary, cataloged under National Stock Number 4320-01-331-8744, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Deere & Company Dba Deere John Co. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-331-8744 |
| Primary Part Number | AT103944 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Deere & Company Dba Deere John Co |
| 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 |
|---|---|
| AT103944 PRIMARY | Deere & Company Dba Deere John Co (USA) |
| AT103944 | Deere and Co Deere John Parts Distribution Whse (USA) |
| Reference | Meaning |
|---|---|
| AT103944 | 5/9 Secondary reference Deere & Co |
| AT103944 | 5/9 Secondary reference Caldwell Foundry and Machine Co Inc |
NSN 4320-01-331-8744 is a Pump,rotary, manufactured by Deere & Company Dba Deere John Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-331-8744 has 2 manufacturer part numbers on file: AT103944 (Deere & Company Dba Deere John Co), AT103944 (Deere and Co Deere John Parts Distribution Whse).
Key specifications for AT103944: End Item Identification: JOHN DEERE LOADER,SCOOP,WHEEL MOUNTED MODEL 544EH. 0 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.