# NSN 5985-01-504-2499: Diplexer

NSN 5985-01-504-2499 (also written 5985015042499; NIIN 01-504-2499) is a diplexer in Federal Supply Class 5985, Antennas, Waveguides, and Related Equipment. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5985-01-504-2499 (5985015042499)
- NIIN: 01-504-2499 (015042499)
- Item name: DIPLEXER
- Federal Supply Class: [FSC 5985 Antennas, Waveguides, and Related Equipment](https://nsnexplorer.com/fsc/5985/)
- Federal Supply Group: [FSG 59](https://nsnexplorer.com/group/59/)
- Acquisition method suffix code: AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | LITTON MARINE SYSTEMS, TURNING UNIT RADAR, PART/MODEL NUMBER 65825MAR-3 |
| FEAT | SPECIAL FEATURES | "X" BAND 25 KW LIMITER ASSY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 91005226 | 03956 | NORTHROP GRUMMAN SYSTEMS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| T91005226 | 03956 | NORTHROP GRUMMAN SYSTEMS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE4AX20D9438/SPE4AX26F171B](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5985015042499) | DIPLEXER | NORTHROP GRUMMAN SYSTEMS CORPORATION | $8,124.99 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5985015042499&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5985015042499
- 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.

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