# NSN 5985-01-479-9639: Attenuator, Variable

NSN 5985-01-479-9639 (also written 5985014799639; NIIN 01-479-9639) is an attenuator, variable in Federal Supply Class 5985, Antennas, Waveguides, and Related Equipment. 4 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5985-01-479-9639 (5985014799639)
- NIIN: 01-479-9639 (014799639)
- Item name: ATTENUATOR,VARIABLE
- 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 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 | ROUGH TERRAIN CONTAINER HANDLER (RTCH), MODEL RT 240, DIRECT VENDOR DELIVERY (DVD), NSN 3990-01-473-3998, CAGE: 1NWY2, PART NUMBER TRA240-55S3M, TM 10-3930-675, CONTRACT NUMBER: DAAE07-99-C-S008 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 923023.0023 | 1NWY2 | INDEPENDENT ROUGH TERRAIN CENTER LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 923023.0023 | ZAR27 | KALMAR EQUIPMENT (AUSTRALIA) PTY LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9230230023 | 1NWY2 | INDEPENDENT ROUGH TERRAIN CENTER LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| EP-0000414 | 1NWY2 | INDEPENDENT ROUGH TERRAIN CENTER LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-13 | [SPE7LX21D0081/SPE7LX27FA02X](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5985014799639) | ATTENUATOR, VARIABLE | INDEPENDENT ROUGH TERRAIN CENTER LLC | $795.86 |
| 2026-10-08 | [SPE7LX21D0081/SPE7LX27FA936](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5985014799639) | ATTENUATOR, VARIABLE | INDEPENDENT ROUGH TERRAIN CENTER LLC | $3,183.44 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5985014799639&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5985014799639
- 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/5985-01-479-9639/
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