# NSN 8040-01-657-4681: Hardener, Adhesive

NSN 8040-01-657-4681 (also written 8040016574681; NIIN 01-657-4681) is a hardener, adhesive in Federal Supply Class 8040, Adhesives. 5 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 8040-01-657-4681 (8040016574681)
- NIIN: 01-657-4681 (016574681)
- Item name: HARDENER,ADHESIVE
- Federal Supply Class: [FSC 8040 Adhesives](https://nsnexplorer.com/fsc/8040/)
- Federal Supply Group: [FSG 80](https://nsnexplorer.com/group/80/)
- 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 |
| --- | --- | --- |
| AKKF | QUANTITY WITHIN EACH UNIT PACKAGE | OUNCES 1.0 |
| ARBK | IGNITING CHARACTERISTIC | FLAMMABLE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | TAMPER PROOF TORQUE MARK |
| FEAT | SPECIAL FEATURES | WHITE; 105 DEG F FLASH POINT |
| SUPP | SUPPLEMENTARY FEATURES | 1OZ (29.5ML) TUBE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 016574681 | KC3A9 | ADDEV MATERIALS AEROSPACE LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 83319 | 98148 | ITW DYKEM/DYMON | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 83319 | K0668 | LEONARDO UK LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 83319 | KC3A9 | ADDEV MATERIALS AEROSPACE LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C83319 | 98148 | ITW DYKEM/DYMON | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-14 | [SPE8ES24D0005/SPE8ES27F3307](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=8040016574681) | HARDENER, ADHESIVE | ASRC FEDERAL FACILITIES LOGISTICS, LLC | $16.22 |
| 2026-10-07 | [SPE8ES24D0005/SPE8ES27F2108](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=8040016574681) | HARDENER, ADHESIVE | ASRC FEDERAL FACILITIES LOGISTICS, LLC | $194.64 |
| 2026-10-07 | [SPE8ES24D0005/SPE8ES27F1995](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=8040016574681) | HARDENER, ADHESIVE | ASRC FEDERAL FACILITIES LOGISTICS, LLC | $8.11 |
| 2026-10-05 | [SPE8ES24D0005/SPE8ES27F1499](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=8040016574681) | HARDENER, ADHESIVE | ASRC FEDERAL FACILITIES LOGISTICS, LLC | $8.11 |
| 2026-10-01 | [SPE8ES24D0005/SPE8ES27F0210](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=8040016574681) | HARDENER, ADHESIVE | ASRC FEDERAL FACILITIES LOGISTICS, LLC | $40.55 |
| 2026-09-17 | [SPE8ES24D0005/SPE8ES26F1G72](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=8040016574681) | HARDENER, ADHESIVE | ASRC FEDERAL FACILITIES LOGISTICS, LLC | $56.77 |
| 2026-09-16 | [SPE8ES24D0005/SPE8ES26F1D34](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=8040016574681) | HARDENER, ADHESIVE | ASRC FEDERAL FACILITIES LOGISTICS, LLC | $81.10 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=8040016574681&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=8040016574681
- 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/8040-01-657-4681/
JSON: https://nsnexplorer.com/api/nsn/8040-01-657-4681.json