# NSN 2590-99-331-8552: Stop, Block, Special

NSN 2590-99-331-8552 (also written 2590993318552; NIIN 99-331-8552) is a stop, block, special in Federal Supply Class 2590, Miscellaneous Vehicular Components. It was last purchased in Sep 2026.

## Identification

- NSN: 2590-99-331-8552 (2590993318552)
- NIIN: 99-331-8552 (993318552)
- Item name: STOP, BLOCK, SPECIAL
- Federal Supply Class: [FSC 2590 Miscellaneous Vehicular Components](https://nsnexplorer.com/fsc/2590/)
- Federal Supply Group: [FSG 25](https://nsnexplorer.com/group/25/)

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-23 | $825.00 | 20 | ALLIED DEFENSE INDUSTRIES, LLC DBA AMS DISTRIBUTION | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2590993318552) |
| 2026-08-26 | $825.00 | 12 | ALLIED DEFENSE INDUSTRIES, LLC DBA AMS DISTRIBUTION | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2590993318552) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE7L326V5355](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2590993318552) | STOP, BLOCK, SPECIAL | ALLIED DEFENSE INDUSTRIES, LLC DBA AMS DISTRIBUTION | $16,500.00 |
| 2026-08-26 | [SPE7L326V4655](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2590993318552) | STOP, BLOCK, SPECIAL | ALLIED DEFENSE INDUSTRIES, LLC DBA AMS DISTRIBUTION | $9,900.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2590993318552&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2590993318552
- 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/2590-99-331-8552/
JSON: https://nsnexplorer.com/api/nsn/2590-99-331-8552.json