The Attenuator,fixed, cataloged under National Stock Number 5985-01-176-0290, 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 Thales Deutschland Gmbh Div Customer Services. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-176-0290 |
| Primary Part Number | 49901 28029 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Thales Deutschland Gmbh Div Customer Services |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Frequency Range | 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Attenuation Accuracy Reference Frequency | 12.4 GIGAHERTZ |
| Overall Diameter | 0.312 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.15 AND 1.25 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 20.0 |
| Attenuation Accuracy in Decibels | -0.75 TO 0.75 |
| Surface Treatment | PASSIVATE BODY |
| Connection Type Per Function | FEMALE OUTPUT AND MALE INPUT |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 12.4 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Material | STEEL CORROSION RESISTING BODY |
| Unpackaged Unit Weight | 0.210 OUNCES OZ |
| Power Rating | 2.0 WATTS AVERAGE AND 100.0 WATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | OSM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 49901 28029 | Thales Deutschland Gmbh Div Customer Services (DEU) |
| 2082-6013-20 | Semic Rf Electronic Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 2082-6013-20 | 5/9 Secondary reference U.S. Government activity |
| C5110370 | 3/9 Design control — primary reference Signals Warfare Project Manager |
NSN 5985-01-176-0290 is a Attenuator,fixed, manufactured by Thales Deutschland Gmbh Div Customer Services, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-176-0290 has 2 manufacturer part numbers on file: 49901 28029 (Thales Deutschland Gmbh Div Customer Services), 2082-6013-20 (Semic Rf Electronic Gmbh).
Key specifications for 49901 28029: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Frequency Range: 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Attenuation Accuracy Reference Frequency: 12.4 GIGAHERTZ. 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 5985-01-176-0290 has DEMIL Code B. 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.