The Attenuator,fixed, cataloged under National Stock Number 5985-00-138-7098, 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. Dba Harris Corp Div Antenna Products. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-138-7098 |
| Primary Part Number | 366755-8 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Frequency Range | 0.000 HERTZ MINIMUM AND 750.000 MEGAHERTZ MAXIMUM |
| Frequency Sensitivity Attenuation in Decibels | 0.80 |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.650 INCHES MAXIMUM IN |
| Voltage Standing Wave Ratio | 1.30 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 10.0 |
| Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Surface Treatment | SILVER BODY |
| Connection Type Per Function | FEMALE INPUT AND MALE OUTPUT |
| Operating Temp Range | +0.0 TO 80.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 5.0 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Temperature Sensitivity Attenuation in Decibels | 0.0005 |
| Power Rating | 2.0 WATTS AVERAGE AND 2.5 KILOWATTS PEAK |
| Terminal Type and Quantity | 2 CONNECTOR |
| Output Impedance Rating in Ohms | 50.0 |
| Coaxial Connector Series Designation | TNC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 366755-8 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| Reference | Meaning |
|---|---|
| A310T | 5/1 Secondary reference Caes Systems Llc |
| AB10T | 5/1 Secondary reference Microlab/fxr Llc |
NSN 5985-00-138-7098 is a Attenuator,fixed, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-138-7098 has 1 manufacturer part number on file: 366755-8 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
2 possible matches (shared part number, not a government interchangeability claim): 5985-00-422-4978, 5985-00-905-4017. Verify interchangeability with system specifications before substitution.
Key specifications for 366755-8: Frequency Range: 0.000 HERTZ MINIMUM AND 750.000 MEGAHERTZ MAXIMUM; Frequency Sensitivity Attenuation in Decibels: 0.80; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.650 INCHES MAXIMUM IN. 19 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 5985-00-138-7098 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.