# NSN 5840-01-677-8377: Interface Unit, Environmental Sen

NSN 5840-01-677-8377 (also written 5840016778377; NIIN 01-677-8377) is an interface unit, environmental sen in Federal Supply Class 5840, Radar Equipment, Except Airborne. 6 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5840-01-677-8377 (5840016778377)
- NIIN: 01-677-8377 (016778377)
- Item name: INTERFACE UNIT,ENVIRONMENTAL SEN
- Federal Supply Class: [FSC 5840 Radar Equipment, Except Airborne](https://nsnexplorer.com/fsc/5840/)
- Federal Supply Group: [FSG 58](https://nsnexplorer.com/group/58/)
- Acquisition method suffix code: AMSC Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 8479878 | 0ERB9 | LAUREL TECHNOLOGIES PARTNERSHIP DBA DRS LAUREL TECHNOLOGIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 8479878 | 52088 | LOCKHEED MARTIN CORPORATION DIV RMS - MANASSAS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 8479878 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 8479878 | 63812 | FRONTIER ELECTRONIC SYSTEMS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RA32E-TH1-RAS | 3JPS0 | AVTECH SOFTWARE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RA32S-DAP-RAS | 3JPS0 | AVTECH SOFTWARE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-03 | [SPE4A726PG295](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5840016778377) | INTERFACE UNIT, ENVIRONMENTAL SENSOR | — | $6,089.25 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5840016778377&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5840016778377
- 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/5840-01-677-8377/
JSON: https://nsnexplorer.com/api/nsn/5840-01-677-8377.json