PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5210-3Insulator,plate

Seastrom Manufacturing Co Inc · NSN 5970-00-915-9202 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-915-9202 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-915-9202. Primary manufacturer part number: 5210-3.
Features
  • Insulator,plate — FSC 5970
  • Fourth Hole Spacing: 0.450 INCHES NOMINAL IN
  • First Hole Diameter: 0.130 INCHES NOMINAL IN
  • Third Hole Spacing: 1.187 INCHES NOMINAL IN
  • First Hole Spacing: 0.278 INCHES NOMINAL IN
  • Second Hole Diameter: 0.130 INCHES NOMINAL IN
  • First Side Radius: 0.621 INCHES NOMINAL IN
  • Fifth Hole Spacing: 0.225 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 5970-00-915-9202, 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 Seastrom Manufacturing Co Inc. 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-915-9202
Primary Part Number5210-3
Item NameInsulator,plate
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerSeastrom Manufacturing Co Inc
StatusACTIVE
Fourth Hole Spacing0.450 INCHES NOMINAL IN
First Hole Diameter0.130 INCHES NOMINAL IN
Third Hole Spacing1.187 INCHES NOMINAL IN
First Hole Spacing0.278 INCHES NOMINAL IN
Second Hole Diameter0.130 INCHES NOMINAL IN
First Side Radius0.621 INCHES NOMINAL IN
Fifth Hole Spacing0.225 INCHES NOMINAL IN
Unable to DecodeUNABLE TO DECODE
First End Radius0.278 INCHES NOMINAL IN
Second Hole Spacing0.655 INCHES NOMINAL IN
Style DesignatorFLAT, DIAMOND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5940-00-105-838552103 INTERCHANGEABLE
Terminal Board
Te Connectivity Corporation
5315-00-276-44151A9731 INTERCHANGEABLE
Key,machine
Napco International Llc Dba Napco International Inc
5110-00-293-0443 INTERCHANGEABLE
Scraper,bearing
1270-00-671-892852103 INTERCHANGEABLE
Waveguide Assy
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
6110-01-348-662152103 INTERCHANGEABLE
Regulator,voltage
Sure Power, Inc Dba Eaton Sure Power, Inc
6515-01-377-5441 INTERCHANGEABLE
Administration Set,infusion Pump
4730-01-418-6490 INTERCHANGEABLE
Restrictor,fluid Flow
8145-01-465-362956103-000 INTERCHANGEABLE
Storage Container,flexible
Aar Manufacturing, Inc. Dba Aar Mobility Systems
4820-01-543-986752103-002 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4240-01-577-145652103 INTERCHANGEABLE
Gloves,anti-Vibration
Chase Ergonomics Inc.
Cross-Reference Index
Part NumberManufacturer
5210-3 PRIMARY Seastrom Manufacturing Co Inc (USA)
G57SBEEDSTYLE002 Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co (USA)
Related Parts
5940-00-105-8385INTERCHANGEABLE
TERMINAL BOARD
52103
5315-00-276-4415INTERCHANGEABLE
KEY,MACHINE
1A9731
5110-00-293-0443INTERCHANGEABLE
SCRAPER,BEARING
1270-00-671-8928INTERCHANGEABLE
WAVEGUIDE ASSY
52103
6110-01-348-6621INTERCHANGEABLE
REGULATOR,VOLTAGE
52103
6515-01-377-5441INTERCHANGEABLE
ADMINISTRATION SET,INFUSION PUMP
4730-01-418-6490INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
8145-01-465-3629INTERCHANGEABLE
STORAGE CONTAINER,FLEXIBLE
56103-000
4820-01-543-9867INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
52103-002
4240-01-577-1456INTERCHANGEABLE
GLOVES,ANTI-VIBRATION
52103
5340-01-706-6349INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
52103

Frequently Asked Questions

What is NSN 5970-00-915-9202?

NSN 5970-00-915-9202 is a Insulator,plate, manufactured by Seastrom Manufacturing Co Inc, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-915-9202?

NSN 5970-00-915-9202 has 2 cross-referenced part numbers: 5210-3 (Seastrom Manufacturing Co Inc), G57SBEEDSTYLE002 (Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co).

What NSN replaces 5970-00-915-9202?

There are 11 known substitutes for 5970-00-915-9202: 5940-00-105-8385, 5315-00-276-4415, 5110-00-293-0443 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5210-3?

Key specifications for 5210-3: Fourth Hole Spacing: 0.450 INCHES NOMINAL IN; First Hole Diameter: 0.130 INCHES NOMINAL IN; Third Hole Spacing: 1.187 INCHES NOMINAL IN; First Hole Spacing: 0.278 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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