PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100H143PC18Insulator,plate

Northrop Grumman Systems Corporation Div Marine Systems · NSN 5970-01-393-2357 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-393-2357 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-393-2357. Primary manufacturer part number: 100H143PC18.
Features
  • Insulator,plate — FSC 5970
  • Third Hole Spacing: 1.187 INCHES NOMINAL IN
  • Second Hole Diameter: 0.130 INCHES NOMINAL IN
  • Style Designator: FLAT, DIAMOND
  • Material: OVERALL PLASTIC, POLYIMIDE, KAPTON, E I DUPONT DE NEMOURS AND CO INC
  • First Hole Spacing: 0.278 INCHES NOMINAL IN
  • First Side Radius: 0.622 INCHES NOMINAL IN
  • Fourth Hole Spacing: 0.450 INCHES NOMINAL IN
Applications
  • Applications requiring Overall Plastic, Polyimide, Kapton, E I Dupont De Nemours and Co Inc construction
General Description

The Insulator,plate, cataloged under National Stock Number 5970-01-393-2357, 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 Div Marine Systems. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-393-2357
Primary Part Number100H143PC18
Item NameInsulator,plate
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Third Hole Spacing1.187 INCHES NOMINAL IN
Second Hole Diameter0.130 INCHES NOMINAL IN
Style DesignatorFLAT, DIAMOND
MaterialOVERALL PLASTIC, POLYIMIDE, KAPTON, E I DUPONT DE NEMOURS AND CO INC
First Hole Spacing0.278 INCHES NOMINAL IN
First Side Radius0.622 INCHES NOMINAL IN
Fourth Hole Spacing0.450 INCHES NOMINAL IN
Second Hole Spacing0.655 INCHES NOMINAL IN
First Hole Diameter0.130 INCHES NOMINAL IN
First End Radius0.278 INCHES NOMINAL IN
Fifth Hole Spacing0.225 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6680-01-340-881552 1010 INTERCHANGEABLE
Indicator,sight,liquid
Jered Llc
4820-01-368-0103521010 INTERCHANGEABLE
Stem,fluid Valve
Badger Meter Inc
Cross-Reference Index
Part NumberManufacturer
5210-10 Seastrom Manufacturing Co Inc (USA)
100H143PC18 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
Related Parts
6680-01-340-8815INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
52 1010
4820-01-368-0103INTERCHANGEABLE
STEM,FLUID VALVE
521010

Frequently Asked Questions

What is NSN 5970-01-393-2357?

NSN 5970-01-393-2357 is a Insulator,plate, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-393-2357?

NSN 5970-01-393-2357 has 2 cross-referenced part numbers: 5210-10 (Seastrom Manufacturing Co Inc), 100H143PC18 (Northrop Grumman Systems Corporation Div Marine Systems).

What NSN replaces 5970-01-393-2357?

There are 2 known substitutes for 5970-01-393-2357: 6680-01-340-8815, 4820-01-368-0103. Verify interchangeability with system specifications before substitution.

What are the specifications of 100H143PC18?

Key specifications for 100H143PC18: Third Hole Spacing: 1.187 INCHES NOMINAL IN; Second Hole Diameter: 0.130 INCHES NOMINAL IN; Overall Width: 1.243 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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