# NSN 1240-01-430-0379: Window, Optical Instrument

NSN 1240-01-430-0379 (also written 1240014300379; NIIN 01-430-0379) is a window, optical instrument in Federal Supply Class 1240, Optical Sighting and Ranging Equipment. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 1240-01-430-0379 (1240014300379)
- NIIN: 01-430-0379 (014300379)
- Item name: WINDOW,OPTICAL INSTRUMENT
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABGL | WIDTH | INCHES MINIMUM 3.930 AND INCHES MAXIMUM 3.990 |
| ABNM | THICKNESS | INCHES MINIMUM 3.500 AND INCHES MAXIMUM 3.560 |
| ABRY | LENGTH | INCHES MINIMUM 7.060 AND INCHES MAXIMUM 7.120 |
| AGYE | SURFACE FINISH | POLISHED |
| MATT | MATERIAL | LOCATION NOT OTHERWISE SPECIFIED STEEL AND GLASS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10555714 | 56161 | GENERAL DYNAMICS LAND SYSTEMS CANADACORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 12370302 | 02077 | MILLER-HOLZWARTH INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 12370302 | 0BK64 | OPTEX SYSTEMS, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-06 | $3,888.8889 | 90 | OPTEX SYSTEMS, INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1240014300379) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-06 | [SPE7M127D60BX](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1240014300379) | WINDOW, OPTICAL INSTRUMENT | OPTEX SYSTEMS, INC | $350,000.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1240014300379&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1240014300379
- 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/1240-01-430-0379/
JSON: https://nsnexplorer.com/api/nsn/1240-01-430-0379.json