The Attenuator,variable, cataloged under National Stock Number 5985-00-009-2382, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-009-2382 |
| Primary Part Number | G300265S1 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Shaft Type | ROUND, SLOTTED |
| Insertion Loss at Minimum Attenuation in Maximum Decibels | 1.0 |
| Impedance Rating in Ohms | 50.0 INPUT-OUTPUT |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Frequency Range | 25.000 MEGAHERTZ MINIMUM AND 37.000 MEGAHERTZ MAXIMUM |
| Body Style | COAXIAL TYPE |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Overall Attenuation Range in Decibels | +0.0 TO 6.0 |
| Voltage Standing Wave Ratio | 1.20 |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Overall Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Attenuation Variation Method | CONTINUOUS |
| Center to Center Distance Between Mounting Facilities Parallel to Height | 1.750 INCHES NOMINAL IN |
| Mounting Thread Quantity | 40 PER INCH |
| Shaft Length | 0.560 INCHES MAXIMUM IN |
| Body Material | ALUMINUM ALLOY |
| Mounting Facility Nominal Screw Thread Diameter | 0.112 INCHES IN |
| Operating Temp Range | +0.0 TO 75.0 CELSIUS DEGC |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.880 INCHES NOMINAL IN |
| Application Design | TRANSMISSION LINE |
| Power Rating | 500.0 MILLIWATTS PEAK |
| Coaxial Connector Series Designation | BNC |
| 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 |
|---|---|
| AR-1/11988A | Merrimac Industries, Inc (USA) |
| G300265S1 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| Reference | Meaning |
|---|---|
| G300030S1 | C/1 Advisory reference — outside the item-of-supply concept L3harris Technologies, Inc Div Space & Airborne Systems |
NSN 5985-00-009-2382 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 5985-00-009-2382 has 2 manufacturer part numbers on file: AR-1/11988A (Merrimac Industries, Inc), G300265S1 (L3harris Technologies, Inc Div Space & Airborne Systems).
Key specifications for G300265S1: Shaft Type: ROUND, SLOTTED; Insertion Loss at Minimum Attenuation in Maximum Decibels: 1.0; Impedance Rating in Ohms: 50.0 INPUT-OUTPUT; Mounting Facility Type and Quantity: 4 THREADED HOLE(S). 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.