PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CN1004Isolator,radio Frequency Reflect

Frequency Electronics Inc · NSN 5985-00-037-9853 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-037-9853 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-037-9853. Primary manufacturer part number: CN1004.
Features
  • Isolator,radio Frequency Reflect — FSC 5985
  • Frequency Range Rating: +4.0 TO 8.0 GIGAHERTZ
  • 2 verified cross-references
  • Primary manufacturer: Frequency Electronics Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-00-037-9853, 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 Frequency Electronics Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-037-9853
Primary Part NumberCN1004
Item NameIsolator,radio Frequency Reflect
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerFrequency Electronics Inc
StatusACTIVE
Frequency Range Rating+4.0 TO 8.0 GIGAHERTZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5999-00-258-88511585380 INTERCHANGEABLE
Cap,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
CN1004 PRIMARY Frequency Electronics Inc (USA)
CN1004 Fei Microwave Inc (USA)
Related Parts
5999-00-258-8851INTERCHANGEABLE
CAP,ELECTRICAL
1585380

Frequently Asked Questions

What is NSN 5985-00-037-9853?

NSN 5985-00-037-9853 is a Isolator,radio Frequency Reflect, manufactured by Frequency Electronics Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-037-9853?

NSN 5985-00-037-9853 has 2 cross-referenced part numbers: CN1004 (Frequency Electronics Inc), CN1004 (Fei Microwave Inc).

What NSN replaces 5985-00-037-9853?

There is 1 known substitute for 5985-00-037-9853: 5999-00-258-8851. Verify interchangeability with system specifications before substitution.

What are the specifications of CN1004?

Key specifications for CN1004: Overall Length: 1.187 INCHES NOMINAL IN; Overall Height: 0.625 INCHES NOMINAL IN; Overall Width: 1.000 INCHES NOMINAL IN; Frequency Range Rating: +4.0 TO 8.0 GIGAHERTZ. 4 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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