# NSN 6640-01-340-5488: Filter Unit, Microporous

NSN 6640-01-340-5488 (also written 6640013405488; NIIN 01-340-5488) is a filter unit, microporous in Federal Supply Class 6640, Laboratory Equipment and Supplies. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 6640-01-340-5488 (6640013405488)
- NIIN: 01-340-5488 (013405488)
- Item name: FILTER UNIT,MICROPOROUS
- Federal Supply Class: [FSC 6640 Laboratory Equipment and Supplies](https://nsnexplorer.com/fsc/6640/)
- Federal Supply Group: [FSG 66](https://nsnexplorer.com/group/66/)
- Acquisition method suffix code: AMSC Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABFF | FURNISHED ITEMS | ABSORBENT PAD |
| ADNH | FILTRATION RATING IN MICRONS | ABSOLUTE 5.0 |
| AGUC | UNIT PACKAGE QUANTITY | 50 |
| AKYD | ACCESSORY COMPONENTS AND QUANTITY | MATCHED WEIGHT POLYVINYL CHLORIDE MEMBRANE FILTER 2; SUPPORT PAD 1; 3 PIECE CASSETTE CASE 1; SEALING PLUGS 2 |
| ALQG | CONTAINER TYPE | PACKAGE |
| APQB | UNIT TYPE | AEROSOL |
| BNMH | FILTER DISK SIZE ACCOMMODATED | MILLIMETERS 37.0 |
| BPSH | FILTERING AREA | SQUARE CENTIMETERS NOMINAL 9.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | FILTER UNIT MICROPOROUS PLAS STYRENE ACRYLONITRILE AEROSOL 50S |
| FEAT | SPECIAL FEATURES | MATCHED TO WITHIN 25 MICROGRAMS; USED WITH PERSONAL AIR SAMPLING PUMP |
| MATT | MATERIAL | PLASTIC STYRENE AND PLASTIC ACRYLONITRILE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 225-8202 | 55659 | SKC INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 91-4-19-55 LAP | 66735 | AIR FORCE MEDICAL LOGISTICS OFFICE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| F91D146 | 66735 | AIR FORCE MEDICAL LOGISTICS OFFICE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-15 | $276.45 | 1 | SKC INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6640013405488) |
| 2026-10-01 | $276.40 | 1 | PACIFIC STAR CORPORATION | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6640013405488) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-15 | [SPE2DH27P0108](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6640013405488) | FILTER UNIT, MICROPOROUS | SKC INC | $276.45 |
| 2026-10-01 | [SPE2DH27V0030](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6640013405488) | FILTER UNIT, MICROPOROUS | PACIFIC STAR CORPORATION | $276.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6640013405488&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6640013405488
- 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/6640-01-340-5488/
JSON: https://nsnexplorer.com/api/nsn/6640-01-340-5488.json