# NSN 4320-01-343-1869: Pump, Rotary

NSN 4320-01-343-1869 (also written 4320013431869; NIIN 01-343-1869) is a pump, rotary in Federal Supply Class 4320, Power and Hand Pumps. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4320-01-343-1869 (4320013431869)
- NIIN: 01-343-1869 (013431869)
- Item name: PUMP,ROTARY
- Federal Supply Class: [FSC 4320 Power and Hand Pumps](https://nsnexplorer.com/fsc/4320/)
- Federal Supply Group: [FSG 43](https://nsnexplorer.com/group/43/)
- Acquisition method suffix code: AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAYT | INTAKE CONNECTION QUANTITY | 1 |
| AAYU | INTAKE CONNECTION TYPE | ROUND FLANGE |
| AAYV | DISCHARGE CONNECTION QUANTITY | 1 |
| AAYW | DISCHARGE CONNECTION TYPE | ROUND FLANGE |
| AAYX | DRIVE CONNECTION TYPE | CLOSE COUPLED |
| AGAV | END ITEM IDENTIFICATION | PUMP UNIT BA-1346 OR MODEL HJ493 |
| AHYV | MAXIMUM DISCHARGE FLOW RATE | GALLONS PER MINUTE 20.0 |
| AHYW | DISCHARGE PRESSURE | POUNDS PER SQUARE INCH GAUGE (PSIG) 60.0 |
| AHYZ | OPERATING SPEED AT RATED CAPACITY | REVOLUTIONS PER MINUTE 1800.0 |
| AHZD | PUMP ROTATION DIRECTION | CLOCKWISE |
| AHZP | VOLUME CONTROL TYPE | ROTARY |
| AJAB | DRIVE SHAFT TYPE | KEY TYPE, EXTERNAL |
| AJAC | DRIVE SHAFT END DIAMETER | INCHES MINIMUM 0.749 AND INCHES MAXIMUM 0.750 |
| AJAD | DRIVE SHAFT LENGTH | INCHES NOMINAL 1.620 |
| APHE | OPERATION METHOD | POWERED |
| FEAT | SPECIAL FEATURES | 1.5IN. BY 300LBS FLANGED CIRCULAR PORTS; 0.875IN. DIA DRILLED THRU FOUR HOLES EQUALLY SPACED ON 4.520/4.480 B.C. ON EACH 6.12IN. DIA FLANGE |
| MEDA | MEDIA FOR WHICH DESIGNED | LOCATION NOT OTHERWISE SPECIFIED FUEL/OIL, HYDROCARBON |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| BA-1346-1 | 63097 | VIKING PUMP, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-17 | [SPE7M126P2803](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320013431869) | PUMP, ROTARY | — | $11,632.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4320013431869&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4320013431869
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/4320-01-343-1869/
JSON: https://nsnexplorer.com/api/nsn/4320-01-343-1869.json