# NSN 4310-01-641-6459: Vacuum Pump Unit, Rotary

NSN 4310-01-641-6459 (also written 4310016416459; NIIN 01-641-6459) is a vacuum pump unit, rotary in Federal Supply Class 4310, Compressors and Vacuum Pumps. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4310-01-641-6459 (4310016416459)
- NIIN: 01-641-6459 (016416459)
- Item name: VACUUM PUMP UNIT,ROTARY
- Federal Supply Class: [FSC 4310 Compressors and Vacuum Pumps](https://nsnexplorer.com/fsc/4310/)
- Federal Supply Group: [FSG 43](https://nsnexplorer.com/group/43/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAYV | DISCHARGE CONNECTION QUANTITY | 1 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 6.25 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 8.25 |
| ACDC | CURRENT TYPE | AC |
| AENC | PUMP QUANTITY | 1 |
| AENG | PUMPING ELEMENT TYPE | ROTARY PISTON |
| AAYT | INTAKE CONNECTION QUANTITY | 1 |
| AAYU | INTAKE CONNECTION TYPE | FLARED TUBE |
| AAYD | STAGE QUANTITY | 2 |
| AERP | SYSTEM DESIGN | NONCORROSIVE |
| AKDJ | PRIME MOVER TYPE | ELECTRIC MOTOR |
| ELEC | VOLTAGE IN VOLTS | 115.0 AND M230.0 |
| FAAZ | PHASE | SINGLE |
| FREQ | FREQUENCY IN HERTZ | 50.0 AND M60.0 |
| AENM | INTAKE CONNECTION OUTSIDE DIAMETER | INCHES NOMINAL 25.0 |
| AEQC | OPERATING SPEED AT RATED CAPACITY IN RPM | 50.0 AND M1725.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 93613 | 11284 | RITCHIE ENGINEERING CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-22 | $664.69 | 2 | NAUTIC-SPORT, INC. DBA NAUTIC SPORT INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310016416459) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE7M126V150X](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310016416459) | VACUUM PUMP UNIT, RO | NAUTIC-SPORT, INC. DBA NAUTIC SPORT INC | $1,329.38 |
| 2026-09-21 | [SPE7M126PA566](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310016416459) | VACUUM PUMP UNIT, RO | NAUTIC-SPORT, INC. DBA NAUTIC SPORT INC | $664.69 |
| 2026-09-21 | [SPE7M026V5704](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310016416459) | VACUUM PUMP UNIT, RO | NAUTIC-SPORT, INC. DBA NAUTIC SPORT INC | $664.69 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4310016416459&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310016416459
- 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/4310-01-641-6459/
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