PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

605021Insulator Assembly

U S Dept of Transportation Federal Aviation Administration · NSN 5970-01-289-8773 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-289-8773 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-289-8773. Primary manufacturer part number: 605021.
Features
  • Insulator Assembly — FSC 5970
  • 2 verified cross-references
  • Primary manufacturer: U S Dept of Transportation Federal Aviation Administration
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulator Assembly, cataloged under National Stock Number 5970-01-289-8773, is classified within Federal Supply Class 5970 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is U S Dept of Transportation Federal Aviation Administration. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-289-8773
Primary Part Number605021
Item NameInsulator Assembly
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerU S Dept of Transportation Federal Aviation Administration
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-599-1301 INTERCHANGEABLE
Felt,mechanical,preformed
1650-00-627-1592 INTERCHANGEABLE
Poppet,valve
5985-01-599-036142-546-00 INTERCHANGEABLE
Coupler,rotary,radio Frequency
Diamond Antenna & Microwave Corporation
Cross-Reference Index
Part NumberManufacturer
605021 Scientific Radio Systems Inc (USA)
605021 PRIMARY U S Dept of Transportation Federal Aviation Administration (USA)
Related Parts
5330-00-599-1301INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
1650-00-627-1592INTERCHANGEABLE
POPPET,VALVE
5985-01-599-0361INTERCHANGEABLE
COUPLER,ROTARY,RADIO FREQUENCY
42-546-00

Frequently Asked Questions

What is NSN 5970-01-289-8773?

NSN 5970-01-289-8773 is a Insulator Assembly, manufactured by U S Dept of Transportation Federal Aviation Administration, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-289-8773?

NSN 5970-01-289-8773 has 2 cross-referenced part numbers: 605021 (Scientific Radio Systems Inc), 605021 (U S Dept of Transportation Federal Aviation Administration).

What NSN replaces 5970-01-289-8773?

There are 3 known substitutes for 5970-01-289-8773: 5330-00-599-1301, 1650-00-627-1592, 5985-01-599-0361. Verify interchangeability with system specifications before substitution.

What are the specifications of 605021?

Key specifications for 605021: End Item Identification: NDBSR115,NON-DIRECTIONAL BEACON. 1 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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