The Attenuator,fixed, cataloged under National Stock Number 5985-01-054-4265, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-054-4265 |
| Primary Part Number | ABJ75 |
| 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 2.000 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.812 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.20 AND 1.50 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | TERMINAL |
| Rf Signal Attenuation in Decibels | 2.0 |
| Attenuation Accuracy in Decibels | -0.10 TO 0.10 |
| Connection Type Per Function | FEMALE OUTPUT AND MALE INPUT |
| Operating Temp Range | -20.0 TO 125.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 2.0 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Power Rating | 1.0 WATTS AVERAGE AND 1.0 KILOWATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | N |
| 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 |
|---|---|
| ABJ75 PRIMARY | Microlab/fxr Llc (USA) |
| 51217-1002 | Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA) |
| Reference | Meaning |
|---|---|
| FP50-2N | 5/9 Secondary reference Trilithic, Inc. |
| 1001FP50-2N | 5/9 Secondary reference Trilithic, Inc. |
NSN 5985-01-054-4265 is a Attenuator,fixed, manufactured by Microlab/fxr Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-054-4265 has 2 manufacturer part numbers on file: ABJ75 (Microlab/fxr Llc), 51217-1002 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")).
Key specifications for ABJ75: Frequency Range: 0.000 HERTZ MINIMUM AND 2.000 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.812 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.20 AND 1.50. 16 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 5985-01-054-4265 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.