# NSN 1240-01-718-9261: Filter Subassembly, Light, Optical

NSN 1240-01-718-9261 (also written 1240017189261; NIIN 01-718-9261) is a filter subassembly, light, optical in Federal Supply Class 1240, Optical Sighting and Ranging Equipment. 1 manufacturer part number from 1 supplier is on record. The government has 1 open solicitation for it.

## Identification

- NSN: 1240-01-718-9261 (1240017189261)
- NIIN: 01-718-9261 (017189261)
- Item name: FILTER SUBASSEMBLY,LIGHT,OPTICAL
- Federal Supply Class: [FSC 1240 Optical Sighting and Ranging Equipment](https://nsnexplorer.com/fsc/1240/)
- Federal Supply Group: [FSG 12](https://nsnexplorer.com/group/12/)
- 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

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| SLB11251 | 11934 | SEILER INSTRUMENT AND MANUFACTURING COMPANY, INCORPORATED | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M1-27-U-0376 | 5 | 2026-10-21 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1240017189261&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1240017189261&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1240017189261
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

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