PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

218203Insulator,plate

Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories · NSN 5970-00-838-5217 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-838-5217 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-838-5217. Primary manufacturer part number: 218203.
Features
  • Insulator,plate — FSC 5970
  • First Hole Diameter: 0.166 INCHES NOMINAL IN
  • First Hole Spacing: 0.233 INCHES NOMINAL IN
  • Unable to Decode: UNABLE TO DECODE
  • Third Hole Spacing: 1.190 INCHES NOMINAL IN
  • Fifth Hole Spacing: 0.215 INCHES NOMINAL IN
  • Style Designator: FLAT, DIAMOND
  • Second Hole Diameter: 0.166 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulator,plate, cataloged under National Stock Number 5970-00-838-5217, 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 Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5970-00-838-5217
Primary Part Number218203
Item NameInsulator,plate
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories
StatusACTIVE
First Hole Diameter0.166 INCHES NOMINAL IN
First Hole Spacing0.233 INCHES NOMINAL IN
Unable to DecodeUNABLE TO DECODE
Third Hole Spacing1.190 INCHES NOMINAL IN
Fifth Hole Spacing0.215 INCHES NOMINAL IN
Style DesignatorFLAT, DIAMOND
Second Hole Diameter0.166 INCHES NOMINAL IN
First End Radius0.232 INCHES NOMINAL IN
Fourth Hole Spacing0.430 INCHES NOMINAL IN
First Side Radius0.531 INCHES NOMINAL IN
Second Hole Spacing0.523 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5970-00-043-2921DM-103 INTERCHANGEABLE
Insulator,plate
The Delbert Blinn Co Inc
5985-00-215-254410-30505-39 INTERCHANGEABLE
Waveguide Assembly
The Boeing Company Div Legacy Wichita
6625-01-082-7752 INTERCHANGEABLE
Signal Generator,data
Cross-Reference Index
Part NumberManufacturer
8973704-1 Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories (USA)
218203 PRIMARY Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories (USA)
8973704-1 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
Related Parts
5970-00-043-2921INTERCHANGEABLE
INSULATOR,PLATE
DM-103
5985-00-215-2544INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
10-30505-39
6625-01-082-7752INTERCHANGEABLE
SIGNAL GENERATOR,DATA

Frequently Asked Questions

What is NSN 5970-00-838-5217?

NSN 5970-00-838-5217 is a Insulator,plate, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-838-5217?

NSN 5970-00-838-5217 has 3 cross-referenced part numbers: 8973704-1 (Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories), 218203 (Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories), 8973704-1 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin).

What NSN replaces 5970-00-838-5217?

There are 3 known substitutes for 5970-00-838-5217: 5970-00-043-2921, 5985-00-215-2544, 6625-01-082-7752. Verify interchangeability with system specifications before substitution.

What are the specifications of 218203?

Key specifications for 218203: First Hole Diameter: 0.166 INCHES NOMINAL IN; First Hole Spacing: 0.233 INCHES NOMINAL IN; Unable to Decode: UNABLE TO DECODE; Third Hole Spacing: 1.190 INCHES NOMINAL IN. 14 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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