PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

218-40Attenuator,fixed

Cinch Connectivity Solutions Inc · NSN 5985-01-345-8701 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-345-8701 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-345-8701. Primary manufacturer part number: 218-40.
Features
  • Attenuator,fixed — FSC 5985
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Terminal Type and Quantity: 1 CONNECTOR
  • Frequency Range: 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
  • Coaxial Connector Series Designation: N
  • Attenuation Accuracy in Decibels: -0.80 TO 0.80
  • Rf Signal Attenuation in Decibels: 40.0
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-345-8701, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cinch Connectivity Solutions Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-345-8701
Primary Part Number218-40
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerCinch Connectivity Solutions Inc
StatusACTIVE
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Terminal Type and Quantity1 CONNECTOR
Frequency Range0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
Coaxial Connector Series DesignationN
Attenuation Accuracy in Decibels-0.80 TO 0.80
Rf Signal Attenuation in Decibels40.0
Overall Diameter0.800 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-009-3898 INTERCHANGEABLE
Seal,plain Encased
2520-00-371-31971K6729 INTERCHANGEABLE
Disk,clutch,vehicular
Caterpillar Inc Div Caterpillar Defense
2520-00-374-955121840 INTERCHANGEABLE
Disk,clutch,vehicular
Klauer Manufacturing Company
1680-00-944-5671PM21840 INTERCHANGEABLE
Grip Assy,hoist Con
Unison Industries Llc
6240-01-382-0108F096/741 INTERCHANGEABLE
Lamp,fluorescent
Osram Sylvania Inc
Cross-Reference Index
Part NumberManufacturer
218-40 PRIMARY Cinch Connectivity Solutions Inc (USA)
Related Parts
5330-00-009-3898INTERCHANGEABLE
SEAL,PLAIN ENCASED
2520-00-371-3197INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
1K6729
2520-00-374-9551INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
21840
1680-00-944-5671INTERCHANGEABLE
GRIP ASSY,HOIST CON
PM21840
6240-01-382-0108INTERCHANGEABLE
LAMP,FLUORESCENT
F096/741

Frequently Asked Questions

What is NSN 5985-01-345-8701?

NSN 5985-01-345-8701 is a Attenuator,fixed, manufactured by Cinch Connectivity Solutions Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-345-8701?

NSN 5985-01-345-8701 has 1 cross-referenced part number: 218-40 (Cinch Connectivity Solutions Inc).

What NSN replaces 5985-01-345-8701?

There are 5 known substitutes for 5985-01-345-8701: 5330-00-009-3898, 2520-00-371-3197, 2520-00-374-9551 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 218-40?

Key specifications for 218-40: Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Terminal Type and Quantity: 1 CONNECTOR; Frequency Range: 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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