PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M38526/1-055Insulator,plate

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5970-01-043-9966 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-043-9966 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-043-9966. Primary manufacturer part number: M38526/1-055.
Features
  • Insulator,plate — FSC 5970
  • First End Radius: 0.145 INCHES NOMINAL IN
  • Fourth Hole Spacing: 0.200 INCHES NOMINAL IN
  • Style Designator: FLAT, DIAMOND
  • Material: PLASTIC POLYIMIDE OVERALL
  • First Side Radius: 0.350 INCHES NOMINAL IN
  • Fifth Hole Spacing: 0.100 INCHES NOMINAL IN
  • First Hole Spacing: 0.145 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic Polyimide Overall construction
General Description

The Insulator,plate, cataloged under National Stock Number 5970-01-043-9966, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-043-9966
Primary Part NumberM38526/1-055
Item NameInsulator,plate
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
First End Radius0.145 INCHES NOMINAL IN
Fourth Hole Spacing0.200 INCHES NOMINAL IN
Style DesignatorFLAT, DIAMOND
MaterialPLASTIC POLYIMIDE OVERALL
First Side Radius0.350 INCHES NOMINAL IN
Fifth Hole Spacing0.100 INCHES NOMINAL IN
First Hole Spacing0.145 INCHES NOMINAL IN
Third Hole Spacing0.960 INCHES NOMINAL IN
Second Hole Spacing0.380 INCHES NOMINAL IN
Second Hole Diameter0.062 INCHES NOMINAL IN
First Hole Diameter0.140 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5970-00-133-4840 INTERCHANGEABLE
Insulator,washer
5999-00-264-4970 INTERCHANGEABLE
Mounting Pad,electrical-Electron
5970-00-442-0862 INTERCHANGEABLE
Insulator,plate
5970-00-569-9589 INTERCHANGEABLE
Insulator,washer
5999-01-008-5296 INTERCHANGEABLE
Mounting Pad,electrical-Electron
5970-01-048-9171 INTERCHANGEABLE
Insulator,plate
5970-01-050-4204 INTERCHANGEABLE
Insulator,plate
5970-01-057-6696 INTERCHANGEABLE
Insulator,plate
5970-01-249-7868 INTERCHANGEABLE
Insulator,plate
Cross-Reference Index
Part NumberManufacturer
M38526/1-055 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-I-38526/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5970-00-133-4840INTERCHANGEABLE
INSULATOR,WASHER
5999-00-264-4970INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
5970-00-442-0862INTERCHANGEABLE
INSULATOR,PLATE
5970-00-569-9589INTERCHANGEABLE
INSULATOR,WASHER
5999-01-008-5296INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
5970-01-048-9171INTERCHANGEABLE
INSULATOR,PLATE
5970-01-050-4204INTERCHANGEABLE
INSULATOR,PLATE
5970-01-057-6696INTERCHANGEABLE
INSULATOR,PLATE
5970-01-249-7868INTERCHANGEABLE
INSULATOR,PLATE

Frequently Asked Questions

What is NSN 5970-01-043-9966?

NSN 5970-01-043-9966 is a Insulator,plate, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-043-9966?

NSN 5970-01-043-9966 has 2 cross-referenced part numbers: M38526/1-055 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-I-38526/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5970-01-043-9966?

There are 9 known substitutes for 5970-01-043-9966: 5970-00-133-4840, 5999-00-264-4970, 5970-00-442-0862 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M38526/1-055?

Key specifications for M38526/1-055: First End Radius: 0.145 INCHES NOMINAL IN; Fourth Hole Spacing: 0.200 INCHES NOMINAL IN; Overall Width: 0.700 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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