The Attenuator,fixed, cataloged under National Stock Number 5985-01-353-5565, 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 Northrop Grumman Systems Corporation. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-353-5565 |
| Primary Part Number | 121703H02 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Frequency Range | 0.000 HERTZ MINIMUM AND 500.000 MEGAHERTZ MAXIMUM |
| Body Style | RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE |
| Attenuation Accuracy Reference Frequency | 500.0 MEGAHERTZ |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.20 |
| Input Impedance Rating in Ohms | 50.0 |
| Rf Signal Attenuation in Decibels | 13.0 |
| Attenuation Accuracy in Decibels | -0.25 TO 0.25 |
| Precious Material and Location | CONTACT SURFACES SILVER |
| Operating Temp Range | -40.0 TO 150.0 CELSIUS DEGC |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 500.0 MEGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Power Rating | 35.0 WATTS PEAK |
| Terminal Type and Quantity | 2 RIBBON |
| Output Impedance Rating in Ohms | 50.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 121703H02 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5985-01-353-5565 is a Attenuator,fixed, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-353-5565 has 1 manufacturer part number on file: 121703H02 (Northrop Grumman Systems Corporation).
Key specifications for 121703H02: Overall Height: 0.165 INCHES NOMINAL IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Frequency Range: 0.000 HERTZ MINIMUM AND 500.000 MEGAHERTZ MAXIMUM; Body Style: RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE. 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.
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.