The Attenuator,fixed, cataloged under National Stock Number 5985-00-172-4989, 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 Microlab/fxr Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-00-172-4989 |
| Primary Part Number | ADC73 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microlab/fxr Llc |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 1.000 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.25 |
| Input Impedance Rating in Ohms | 90.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 15.0 |
| Connection Type Per Function | FEMALE OUTPUT AND MALE INPUT |
| Operating Temp Range | -54.0 TO 85.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 4.0 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Power Rating | 2.0 WATTS AVERAGE AND 2.0 KILOWATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 90.0 |
| Coaxial Connector Series Designation | BNC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ADC73 | Microlab/fxr Llc (USA) |
| Reference | Meaning |
|---|---|
| CN-1402/TPM-24(V) | 5/2 Secondary reference U.S. Government activity |
| SM-C-604318 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-172-4989 is a Attenuator,fixed, manufactured by Microlab/fxr Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-172-4989 has 1 manufacturer part number on file: ADC73 (Microlab/fxr Llc).
Key specifications for ADC73: Frequency Range: 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 1.000 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.25. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-00-172-4989 has DEMIL Code Q. 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.