The Attenuator,fixed, cataloged under National Stock Number 5985-01-324-8489, 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 20 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-324-8489 |
| Primary Part Number | G300620S1 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| FSC Application Data | COMMUNICATION EQUIPMENT |
| Mounting Hole/stud Quantity | 4 |
| Frequency Range | 20.000 MEGAHERTZ MINIMUM AND 40.000 MEGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.725 INCHES MINIMUM AND 1.775 INCHES MAXIMUM IN |
| Voltage Standing Wave Ratio | 1.30 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | UNTHREADED HOLE(S) |
| Rf Signal Attenuation in Decibels | 7.7 |
| Attenuation Accuracy in Decibels | -0.20 TO 0.20 |
| Unthreaded Mounting Hole Diameter | 0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Body Length | 1.750 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM BODY |
| Voltage Standing Wave Ratio Frequency Range | +20.0 TO 40.0 MEGAHERTZ |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.225 INCHES MINIMUM AND 1.275 INCHES MAXIMUM IN |
| Application Design | TRANSMISSION LINE |
| Material | COPPER ALLOY BODY |
| Terminal Type and Quantity | 2 CONNECTOR AND 3 TAB, SOLDER LUG |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | SMA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DA631-7.7VA | Smiths Interconnect Americas, Inc. (USA) |
| G300620S1 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5985-01-324-8489 is a Attenuator,fixed, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-324-8489 has 2 manufacturer part numbers on file: DA631-7.7VA (Smiths Interconnect Americas, Inc.), G300620S1 (L3harris Technologies, Inc Div Space & Airborne Systems).
Key specifications for G300620S1: Overall Height: 1.000 INCHES MAXIMUM IN; FSC Application Data: COMMUNICATION EQUIPMENT; Mounting Hole/stud Quantity: 4; Frequency Range: 20.000 MEGAHERTZ MINIMUM AND 40.000 MEGAHERTZ MAXIMUM. 20 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 5985-01-324-8489 has DEMIL Code D. 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.