# NSN 6630-01-491-0691: Buffer Solution, Standard

NSN 6630-01-491-0691 (also written 6630014910691; NIIN 01-491-0691) is a buffer solution, standard in Federal Supply Class 6630, Chemical Analysis Instruments. 7 manufacturer part numbers from 6 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 6630-01-491-0691 (6630014910691)
- NIIN: 01-491-0691 (014910691)
- Item name: BUFFER SOLUTION,STANDARD
- Federal Supply Class: [FSC 6630 Chemical Analysis Instruments](https://nsnexplorer.com/fsc/6630/)
- 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 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGXW | PHYSICAL FORM | LIQUID |
| CQCT | PRIMARY CONTAINER TYPE | PACKAGE |
| CSCW | TOTAL PRIMARY CONTAINER QUANTITY | 25 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | BUFFER SOLUTION STANDARD 25 POUCHES 15 ML EACH |
| FEAT | SPECIAL FEATURES | PH 7.00 BUFFER STANDARD, 25 POUCHES PER PKG 15ML EA |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 13-641-275 | 22527 | FISHER SCIENTIFIC COMPANY L.L.C. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 34175-520 | 2E624 | VWR INTERNATIONAL, LLC DBA VWR SCIENTIFIC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4120L62 | 59728 | ARTHUR H. THOMAS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 90-7000-73 | 06EF2 | HANNA INSTRUMENTS, INC. DIV HANNA INSTRUMENTS USA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 910725 | 30260 | THERMO ORION INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 910725 | 55957 | THERMO FISHER SCIENTIFIC (ASHEVILLE) LLC DIV LABORATORY PRODUCTS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HI-70007-C | 06EF2 | HANNA INSTRUMENTS, INC. DIV HANNA INSTRUMENTS USA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-18 | [SPE2DH26P1163](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6630014910691) | BUFFER SOLUTION, STA | CENMED ENTERPRISES INC | $1,813.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6630014910691&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6630014910691
- 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.

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