PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M8400-7Insulator,plate

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5970-01-055-5946 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-055-5946 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-055-5946. Primary manufacturer part number: M8400-7.
Features
  • Insulator,plate — FSC 5970
  • First Side Radius: 0.390 INCHES NOMINAL IN
  • First End Radius: 0.188 INCHES NOMINAL IN
  • Fourth Hole Spacing: 0.200 INCHES NOMINAL IN
  • Second Hole Diameter: 0.043 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN
  • Material: MICA OVERALL
  • Style Designator: FLAT, DIAMOND
  • First Hole Spacing: 0.190 INCHES NOMINAL IN
Applications
  • Applications requiring Mica Overall construction
General Description

The Insulator,plate, cataloged under National Stock Number 5970-01-055-5946, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-055-5946
Primary Part NumberM8400-7
Item NameInsulator,plate
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
First Side Radius0.390 INCHES NOMINAL IN
First End Radius0.188 INCHES NOMINAL IN
Fourth Hole Spacing0.200 INCHES NOMINAL IN
Second Hole Diameter0.043 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN
MaterialMICA OVERALL
Style DesignatorFLAT, DIAMOND
First Hole Spacing0.190 INCHES NOMINAL IN
Fifth Hole Spacing0.100 INCHES NOMINAL IN
Third Hole Spacing0.960 INCHES NOMINAL IN
First Hole Diameter0.156 INCHES NOMINAL IN
Second Hole Spacing0.580 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6850-01-098-0264M8400-141 INTERCHANGEABLE
Cleaning Compound,solvent
Graymills Corporation
Cross-Reference Index
Part NumberManufacturer
M8400 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
M8400-7 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
B52600F008 Freescale Semiconductor, Inc. (USA)
Related Parts
6850-01-098-0264INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT
M8400-141

Frequently Asked Questions

What is NSN 5970-01-055-5946?

NSN 5970-01-055-5946 is a Insulator,plate, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-055-5946?

NSN 5970-01-055-5946 has 3 cross-referenced part numbers: M8400 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), M8400-7 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), B52600F008 (Freescale Semiconductor, Inc.).

What NSN replaces 5970-01-055-5946?

There is 1 known substitute for 5970-01-055-5946: 6850-01-098-0264. Verify interchangeability with system specifications before substitution.

What are the specifications of M8400-7?

Key specifications for M8400-7: First Side Radius: 0.390 INCHES NOMINAL IN; Overall Length: 1.340 INCHES NOMINAL IN; Overall Height: 0.002 INCHES NOMINAL IN; First End Radius: 0.188 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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