PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43-03-4-1MILInsulator,plate

Accessories for Electronics Inc Dba Afe · NSN 5970-01-020-9637 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-020-9637 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-020-9637. Primary manufacturer part number: 43-03-4-1MIL.
Features
  • Insulator,plate — FSC 5970
  • First End Radius: 0.188 INCHES NOMINAL IN
  • First Hole Diameter: 0.140 INCHES NOMINAL IN
  • Style Designator: FLAT, DIAMOND
  • Material: OVERALL PLASTIC POLYIMIDE FILM/KAPTON,E I DUPONT DE NEMOURS AND CO INC
  • Third Hole Spacing: 1.187 INCHES NOMINAL IN
  • Second Hole Diameter: 0.062 INCHES NOMINAL IN
  • Fourth Hole Spacing: 0.430 INCHES NOMINAL IN
Applications
  • Applications requiring Overall Plastic Polyimide Film/kapton,e I Dupont De Nemours and Co Inc construction
General Description

The Insulator,plate, cataloged under National Stock Number 5970-01-020-9637, 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 Accessories for Electronics Inc Dba Afe. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-020-9637
Primary Part Number43-03-4-1MIL
Item NameInsulator,plate
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerAccessories for Electronics Inc Dba Afe
StatusACTIVE
First End Radius0.188 INCHES NOMINAL IN
First Hole Diameter0.140 INCHES NOMINAL IN
Style DesignatorFLAT, DIAMOND
MaterialOVERALL PLASTIC POLYIMIDE FILM/KAPTON,E I DUPONT DE NEMOURS AND CO INC
Third Hole Spacing1.187 INCHES NOMINAL IN
Second Hole Diameter0.062 INCHES NOMINAL IN
Fourth Hole Spacing0.430 INCHES NOMINAL IN
Fifth Hole Spacing0.215 INCHES NOMINAL IN
First Side Radius0.525 INCHES NOMINAL IN
First Hole Spacing0.188 INCHES NOMINAL IN
Second Hole Spacing0.665 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-318-2668 INTERCHANGEABLE
Transformer,power
6610-00-924-078942034 INTERCHANGEABLE
Cap Assy,gimbal
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
6650-01-060-989512266723 INTERCHANGEABLE
Lens,optical Instrument
U S Army Tank Automotive Command Amsta-Im-Mm
5962-01-178-692142034 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
43-03-4-1MIL PRIMARY Accessories for Electronics Inc Dba Afe (USA)
43-03-4-1MIL Thermalloy Co Inc (USA)
600074P10 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
42-03-4 Thermalloy Co Inc (USA)
Related Parts
5950-00-318-2668INTERCHANGEABLE
TRANSFORMER,POWER
6610-00-924-0789INTERCHANGEABLE
CAP ASSY,GIMBAL
42034
6650-01-060-9895INTERCHANGEABLE
LENS,OPTICAL INSTRUMENT
12266723
5962-01-178-6921INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42034

Frequently Asked Questions

What is NSN 5970-01-020-9637?

NSN 5970-01-020-9637 is a Insulator,plate, manufactured by Accessories for Electronics Inc Dba Afe, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-020-9637?

NSN 5970-01-020-9637 has 4 cross-referenced part numbers: 43-03-4-1MIL (Accessories for Electronics Inc Dba Afe), 43-03-4-1MIL (Thermalloy Co Inc), 600074P10 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 42-03-4 (Thermalloy Co Inc).

What NSN replaces 5970-01-020-9637?

There are 4 known substitutes for 5970-01-020-9637: 5950-00-318-2668, 6610-00-924-0789, 6650-01-060-9895 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43-03-4-1MIL?

Key specifications for 43-03-4-1MIL: Overall Width: 1.050 INCHES NOMINAL IN; First End Radius: 0.188 INCHES NOMINAL IN; First Hole Diameter: 0.140 INCHES NOMINAL IN; Style Designator: FLAT, DIAMOND. 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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