The Attenuator,variable, cataloged under National Stock Number 5985-01-293-9128, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-293-9128 |
| Primary Part Number | GA810DW1 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 2.5 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| FSC Application Data | TRANSMISSION LINES |
| Frequency Range | 5.000 MEGAHERTZ MINIMUM AND 2.000 GIGAHERTZ MAXIMUM |
| Body Style | COAXIAL TYPE |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Adjustment Device Type and Quantity | 1 ELECTRONIC, VOLTAGE CONTROLLED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.450 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Precious Material | SILVER |
| Overall Attenuation Range in Decibels | +23.0 TO 36.0 |
| Voltage Standing Wave Ratio | 1.30 AND 1.50 |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Attenuation Variation Method | CONTINUOUS |
| Mounting Thread Quantity | 56 PER INCH |
| Body Material | ALUMINUM |
| Mounting Facility Nominal Screw Thread Diameter | 0.086 INCHES IN |
| Precious Material and Location | ATTENUATOR TERMINALS SILVER |
| Operating Temp Range | -54.0 TO 100.0 CELSIUS DEGC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.800 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE |
| Power Rating | 1.0 WATTS PEAK |
| Coaxial Connector Series Designation | SMA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| GA810DW1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| WJ-CG1S | 5/9 Secondary reference Watkins-Johnson Co |
NSN 5985-01-293-9128 is a Attenuator,variable, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-293-9128 has 1 manufacturer part number on file: GA810DW1 (Northrop Grumman Systems Corporation).
Key specifications for GA810DW1: Insertion Loss at Minimum Attenuation in Maximum Decibels: 2.5; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Overall Height: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN. 24 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.