The Attenuator,fixed, cataloged under National Stock Number 5985-00-341-5915, 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 Electro-Metrics Corporation Dba Electro-Metrics. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-00-341-5915 |
| Primary Part Number | FA502-50 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Electro-Metrics Corporation Dba Electro-Metrics |
| Status | ACTIVE |
| Frequency Range | 400.000 MEGAHERTZ MINIMUM AND 450.000 MEGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Overall Diameter | 0.827 INCHES NOMINAL IN |
| Voltage Standing Wave Ratio | 1.30 |
| Input Impedance Rating in Ohms | 50.0 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 50.0 |
| Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Surface Treatment | NICKEL BODY |
| Connection Type Per Function | FEMALE INPUT AND MALE OUTPUT |
| Voltage Standing Wave Ratio Frequency Range | +400.0 TO 450.0 MEGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Material | COPPER ALLOY BODY |
| Power Rating | 2.0 WATTS AVERAGE AND 2.0 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 |
|---|---|
| FA502-50 PRIMARY | Electro-Metrics Corporation Dba Electro-Metrics (USA) |
| Reference | Meaning |
|---|---|
| FA502-50 | 3/9 Design control — primary reference Electro-Metrics Corporation Dba Electro-Metrics |
| 1802359 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5985-00-341-5915 is a Attenuator,fixed, manufactured by Electro-Metrics Corporation Dba Electro-Metrics, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-341-5915 has 1 manufacturer part number on file: FA502-50 (Electro-Metrics Corporation Dba Electro-Metrics).
Key specifications for FA502-50: Frequency Range: 400.000 MEGAHERTZ MINIMUM AND 450.000 MEGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 0.827 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.30. 17 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 5985-00-341-5915 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.