# NSN 4330-00-573-4545: Filter Element, Fluid

NSN 4330-00-573-4545 (also written 4330005734545; NIIN 00-573-4545) is a filter element, fluid in Federal Supply Class 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4330-00-573-4545 (4330005734545)
- NIIN: 00-573-4545 (005734545)
- Item name: FILTER ELEMENT,FLUID
- Federal Supply Class: [FSC 4330 Centrifugals, Separators, and Pressure and Vacuum Filters](https://nsnexplorer.com/fsc/4330/)
- Federal Supply Group: [FSG 43](https://nsnexplorer.com/group/43/)
- Acquisition method suffix code: AMSC L: annual buy value is below the screening threshold. (observed 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AZTL | BODY OVERALL LENGTH | INCHES NOMINAL 4.380 |
| ABPM | BODY DIAMETER | INCHES NOMINAL 3.100 |
| STYL | STYLE DESIGNATOR | — |
| MATT | MATERIAL | BODY COPPER ALLOY |
| ADAS | BODY INSIDE DIAMETER | INCHES NOMINAL 1.145 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| D18W181575-21 | 00736 | FALLS FILTRATION TECHNOLOGIES, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D3W1575-231 | 00736 | FALLS FILTRATION TECHNOLOGIES, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-12 | [SPE4A124G0043/SPE7M126F5006](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4330005734545) | FILTER ELEMENT, FLUI | AAR SUPPLY CHAIN, INC DBA AAR DEFENSE SYSTEMS & LOGISTICS | $20,504.90 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4330005734545&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4330005734545
- 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/4330-00-573-4545/
JSON: https://nsnexplorer.com/api/nsn/4330-00-573-4545.json
