# NSN 5985-01-290-4763: Attenuator, Variable

NSN 5985-01-290-4763 (also written 5985012904763; NIIN 01-290-4763) is an attenuator, variable in Federal Supply Class 5985, Antennas, Waveguides, and Related Equipment. 8 manufacturer part numbers from 5 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5985-01-290-4763 (5985012904763)
- NIIN: 01-290-4763 (012904763)
- 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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAFS | APPLICATION DESIGN | TRANSMISSION LINE |
| AAQL | BODY STYLE | — |
| ABHP | OVERALL LENGTH | INCHES MAXIMUM 5.000 |
| ABKQ | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH | INCHES NOMINAL 3.100 |
| ABKR | CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH | INCHES NOMINAL 2.800 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 1.000 |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 3.329 |
| AEBV | UNTHREADED MOUNTING HOLE DIAMETER | INCHES MINIMUM 0.120 AND INCHES MAXIMUM 0.130 |
| AFGA | OPERATING TEMP RANGE | CELSIUS -55.0 TO 71.0 |
| AHTW | VOLTAGE STANDING WAVE RATIO | 1.35 |
| AHUC | COAXIAL CONNECTOR SERIES DESIGNATION | SMA |
| AJDB | POWER RATING | WATTS AVERAGE 11.25 AND WATTS PEAK 25.0 |
| ASYD | OVERALL ATTENUATION RANGE IN DECIBELS | 0.0 TO 50.0 |
| ASYF | ATTENUATION VARIATION METHOD | STEPPED |
| ASYG | STEP POSITION QUANTITY | 8 |
| ASYH | ATTENUATION PER STEP IN DECIBELS | 0.39 AND 0.78 AND 1.56 AND 3.12 AND 6.24 AND 12.48 AND 24.96 AND 50.00 |
| AXHR | MOUNTING FACILITY TYPE AND QUANTITY | UNTHREADED HOLE(S) 4 |
| BNGR | FREQUENCY RANGE | MEGAHERTZ MINIMUM 30.000 AND MEGAHERTZ MAXIMUM 55.000 |
| CQRG | BODY MATERIAL | ALUMINUM ALLOY |
| CQTQ | ADJUSTMENT DEVICE TYPE AND QUANTITY | ELECTRONIC, PROGRAMMABLE 1 |
| CQYJ | MOUNTING FACILITY PATTERN | FOUR POSITION RECTANGULAR |
| CTGG | IMPEDANCE RATING IN OHMS | INPUT-OUTPUT 50.0 |
| SUPP | SUPPLEMENTARY FEATURES | ELEC COMP OF DRIVER SECT. PROTECTED FROM V SPIKES ON THE SUPPLY LINES |
| TTQY | TERMINAL TYPE AND QUANTITY | CONNECTOR, COAXIAL, FEMALE 2 AND CONNECTOR, RECEPTACLE 1 |
| ZZZV | FSC APPLICATION DATA | ANTENNAS,WAVEGUIDES,AND RELATED EQUIP. |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 585R214H04 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 585R214H08 | 53213 | CAES MISSION SYSTEMS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 585R214H08 | 96341 | COBHAM ADVANCED ELECTRONIC SOLUTIONS INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 585R214H08 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MP4300A | 11332 | GENERAL MICROWAVE CORPORATION DIV KRATOS MICROWAVE ELECTRONICS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MP4300A | 53213 | CAES MISSION SYSTEMS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MPM-359E | 93346 | CAES SYSTEMS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MPM-359E | 96341 | COBHAM ADVANCED ELECTRONIC SOLUTIONS INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5985012904763&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5985012904763
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/5985-01-290-4763/
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