The Attenuator,fixed, cataloged under National Stock Number 5985-01-086-6913, 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 Caes Systems Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-086-6913 |
| Primary Part Number | A3RC23-4 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Caes Systems Llc |
| Status | ACTIVE |
| Mounting Hole/stud Quantity | 2 |
| Frequency Range | 0.000 HERTZ MINIMUM AND 0.500 GIGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.725 INCHES NOMINAL IN |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.30 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | UNTHREADED HOLE(S) |
| Rf Signal Attenuation in Decibels | 3.0 |
| Criticality Code Justification | FEAT |
| Attenuation Accuracy in Decibels | -0.30 TO 0.30 |
| Unthreaded Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Specification/standard Data | 13499-379-0548 MANUFACTURERS SOURCE CONTROL |
| Surface Treatment | NICKEL BODY |
| Surface Treatment | GOLD TERMINAL |
| Precious Material and Location | TERMINALS GOLD |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 0.5 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Material | BERYLLIUM COPPER (USE CUB000) TERMINAL |
| Material | BERYLLIUM COPPER (USE CUB000) BODY |
| Power Rating | 50.0 WATTS AVERAGE AND 0.5 KILOWATTS PEAK |
| Terminal Type and Quantity | 2 RIBBON |
| Output Impedance Rating in Ohms | 50.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 379-0548-040 | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| A3RC23-4 PRIMARY | Caes Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| MAR103 | C/1 Advisory reference — outside the item-of-supply concept Freescale Semiconductor, Inc. |
NSN 5985-01-086-6913 is a Attenuator,fixed, manufactured by Caes Systems Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-086-6913 has 2 manufacturer part numbers on file: 379-0548-040 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), A3RC23-4 (Caes Systems Llc).
Key specifications for A3RC23-4: Overall Height: 0.164 INCHES NOMINAL IN; Mounting Hole/stud Quantity: 2; Frequency Range: 0.000 HERTZ MINIMUM AND 0.500 GIGAHERTZ MAXIMUM; Body Style: RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE. 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.