# NSN 5845-01-228-6987: Probe, Sonar

NSN 5845-01-228-6987 (also written 5845012286987; NIIN 01-228-6987) is a probe, sonar in Federal Supply Class 5845, Underwater Sound Equipment. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5845-01-228-6987 (5845012286987)
- NIIN: 01-228-6987 (012286987)
- Item name: PROBE,SONAR
- Federal Supply Class: [FSC 5845 Underwater Sound Equipment](https://nsnexplorer.com/fsc/5845/)
- Federal Supply Group: [FSG 58](https://nsnexplorer.com/group/58/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | FINAL ASSY UNDER THE ICE SSXBT P/L 300648-1 |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | DEPTH FOR WHICH DESIGNED 850M AT 15 KNOTS; 5M DEPTH ACCURACY; 7CM X 39.5CM DIMENSIONS; 1.2KG WT; VELOCITY ACCURACY P OR M 0.25M PER SEC; ZINC NOSE; 21MM X 22MM INTEGRATED CIRCUIT ACTIVATED UPON WATER IMPACT; SILVER OXIDE BATTERY POWERED; ONE TRANSMISSION WIRE; SUBMARINE LAUNCHED SYSTEMS SSXSV OR SSXBT; SIPPICANS MK-8 AND MK-9 XSV/XBT DATA SYSTEMS WILL INTERFACE WITH ANY SIPPICAN XBT OR XSV |
| TMDN | TYPE/MODEL DESIGNATION | SONAR 2039 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 300648-1 | 03538 | LOCKHEED MARTIN CORPORATION DIV RMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 300648-1 | 16848 | LOCKHEED MARTIN SIPPICAN, INC. DIV LOCKHEED MARTIN MARION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-18 | [SPE4A123G0025/SPE4A526F5620](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5845012286987) | PROBE, SONAR | LOCKHEED MARTIN CORPORATION DIV RMS | $155,754.04 |
| 2026-09-18 | [SPE4A123G0025/SPE4A526F5620](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5845012286987) | PROBE, SONAR | LOCKHEED MARTIN CORPORATION DIV RMS | $155,754.04 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5845012286987&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5845012286987
- 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/5845-01-228-6987/
JSON: https://nsnexplorer.com/api/nsn/5845-01-228-6987.json