PartsTable TECHNICAL DATA SHEET
NSN 5985-01-721-8089Government record, cited

Attenuator, Fixed5985-01-721-8089

NSN 5985-01-721-8089 · NIIN 017218089 · Part number C18N50-20
Centric Rf, Llc Div Centric Rf · FSC 5985 — Antennas, Waveguides, and Related Equipment · FSG 59 — Electrical and Electronic Equipment Components · CAGE 7KUP9
Government record, cited
NSN 5985-01-721-8089 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-721-8089. Manufacturer of record part number: C18N50-20.
Also searched as  5985-01-721-8089 · 5985017218089 · NIIN 017218089 · 01-721-8089 · FSC 5985 Antennas, Waveguides, and Related Equipment · CAGE 7KUP9 · C18N50-20
Nearby stock numbers  ·
Features
  • Attenuator,fixed — FSC 5985
  • Surface Treatment Document and Classification: MIL-G-45204 MIL SPEC ALL TREATMENT RESPONSES TERMINAL
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Overall Diameter: 1.50 INCHES NOMINAL IN
  • Input Impedance Rating in Ohms: 50.0
  • Mounting Method: CONNECTOR
  • Surface Treatment: GOLD PLATED (USE AUA000) AND (MRC BRFC) TERMINAL
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
Identification
  • NSN: 5985-01-721-8089
  • NIIN: 017218089
  • FSC: 5985 — Antennas, Waveguides, and Related Equipment
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: C18N50-20
  • Manufacturer: Centric Rf, Llc Div Centric Rf
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-721-8089, 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 Centric Rf, Llc Div Centric Rf. Government technical data includes 11 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.

Technical Specifications
ParameterValue
NSN5985-01-721-8089
Primary Part NumberC18N50-20
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — Antennas, Waveguides, and Related Equipment
ManufacturerCentric Rf, Llc Div Centric Rf
StatusACTIVE
Surface Treatment Document and ClassificationMIL-G-45204 MIL SPEC ALL TREATMENT RESPONSES TERMINAL
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Overall Diameter1.50 INCHES NOMINAL IN
Input Impedance Rating in Ohms50.0
Mounting MethodCONNECTOR
Surface TreatmentGOLD PLATED (USE AUA000) AND (MRC BRFC) TERMINAL
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
MaterialSTEEL CORROSION RESISTING BODY
MaterialCOPPER ALLOY TERMINAL
Power Rating50.0 WATTS AVERAGE AND 1.0 KILOWATTS PEAK
Terminal Type and Quantity2 CONNECTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
C18N50-20 PRIMARY Centric Rf, Llc Div Centric Rf (USA)
No interchangeability data on file.
Other items in FSC 5985 — Antennas, Waveguides, and Related Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5985-00-001-1854
ANTENNA
5985-00-001-1862
WAVEGUIDE ASSEMBLY
5985-00-001-1869
WAVEGUIDE ASSEMBLY
5985-00-001-1870
WAVEGUIDE ASSEMBLY
5985-00-001-1871
WAVEGUIDE ASSEMBLY
5985-00-001-1874
WAVEGUIDE ASSEMBLY
5985-00-001-1875
ADAPTER,WAVEGUIDE
5985-00-001-1876
WAVEGUIDE ASSEMBLY

Frequently Asked Questions

What is NSN 5985-01-721-8089?

NSN 5985-01-721-8089 is a Attenuator,fixed, manufactured by Centric Rf, Llc Div Centric Rf, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.

What part numbers are listed for NSN 5985-01-721-8089?

NSN 5985-01-721-8089 has 1 manufacturer part number on file: C18N50-20 (Centric Rf, Llc Div Centric Rf).

What are the specifications of C18N50-20?

Key specifications for C18N50-20: Surface Treatment Document and Classification: MIL-G-45204 MIL SPEC ALL TREATMENT RESPONSES TERMINAL; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Overall Diameter: 1.50 INCHES NOMINAL IN; Input Impedance Rating in Ohms: 50.0. 11 specifications are documented in the U.S. Government catalog.

Is NSN 5985-01-721-8089 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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