The Attenuator,variable, cataloged under National Stock Number 5985-00-601-6288, 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 L3harris Technologies, Inc Div Space & Airborne Systems. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-601-6288 |
| Primary Part Number | G300304-1 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 0.5 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 1 BUSHING |
| Frequency Range | 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM |
| Body Style | COAXIAL TYPE |
| Segment Attenuation Accuracy in Decibels | -0.30 TO 0.30 AND -0.70 TO 0.70 AND -0.90 TO 0.90 AND -1.00 TO 1.00 AND -1.10 TO 1.10 AND -1.20 TO 1.20 AND -1.30 TO 1.30 |
| Adjustment Device Type and Quantity | 2 KNOB |
| Overall Attenuation Range in Decibels | +0.0 TO 69.0 |
| Voltage Standing Wave Ratio | 1.25 |
| Segment Attenuation Range in Decibels | +1.00 TO 9.00 AND +10.00 TO 19.00 AND +20.00 TO 29.00 AND +30.00 TO 39.00 AND +40.00 TO 49.00 AND +50.00 TO 59.00 AND +60.00 TO 69.00 |
| Mounting Facility Screw Thread Series Designator | UNEF |
| Overall Attenuation Accuracy in Decibels | -0.30 TO 1.30 |
| Scale Linearity | LINEAR |
| Attenuation Per Step in Decibels | 10.0 |
| Attenuation Variation Method | STEPPED |
| Mounting Thread Quantity | 32 PER INCH |
| Scale Division Quantity | 10 |
| Mounting Facility Nominal Screw Thread Diameter | 0.375 INCHES IN |
| Operating Temp Range | +0.0 TO 54.0 CELSIUS DEGC |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE |
| Power Rating | 2.0 WATTS AVERAGE AND 200.0 WATTS PEAK |
| Step Position Quantity | 7 |
| Coaxial Connector Series Designation | SMA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| G300304-1 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| Reference | Meaning |
|---|---|
| AC9003-69-31 | 5/2 Secondary reference U.S. Government activity |
| AC9003-69-31-0 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-601-6288 is a Attenuator,variable, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-601-6288 has 1 manufacturer part number on file: G300304-1 (L3harris Technologies, Inc Div Space & Airborne Systems).
Key specifications for G300304-1: Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.5; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 1 BUSHING; Overall Height: 1.630 INCHES NOMINAL 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.
NSN 5985-00-601-6288 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.