# NSN 1740-01-538-2621: Ignition Switch, Air

NSN 1740-01-538-2621 (also written 1740015382621; NIIN 01-538-2621) is an ignition switch, air in Federal Supply Class 1740, Airfield Specialized Trucks and Trailers. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 1740-01-538-2621 (1740015382621)
- NIIN: 01-538-2621 (015382621)
- Item name: IGNITION SWITCH,AIR
- Federal Supply Class: [FSC 1740 Airfield Specialized Trucks and Trailers](https://nsnexplorer.com/fsc/1740/)
- Federal Supply Group: [FSG 17](https://nsnexplorer.com/group/17/)
- Acquisition method suffix code: AMSC Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-10-23)
- Acquisition method code: 3

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 31-237 | 97564 | ELECTRO-MECH COMPONENTS, INC. DBA PENDAR SWITCHLIGHT DIV PENDAR SWITCHLIGHT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 31237 | 77326 | POLLAK JOSEPH CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 45-40-0008 | 345K3 | TUG TECHNOLOGIES CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 45-40-0008 | 4TVG2 | TEXTRON GROUND SUPPORT EQUIPMENT INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-27 | $29.25 | 96 | 96UA0 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1740015382621) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-27 | [SPE8EF27V0039](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1740015382621) | IGNITION SWITCH, AIR | — | $2,808.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1740015382621&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1740015382621
- 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/1740-01-538-2621/
JSON: https://nsnexplorer.com/api/nsn/1740-01-538-2621.json