PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

734Insulator,plate

Reliance Mica Company, Inc. · NSN 5970-00-840-5109 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-840-5109 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-840-5109. Primary manufacturer part number: 734.
Features
  • Insulator,plate — FSC 5970
  • First Hole Spacing: 0.196 INCHES NOMINAL IN
  • Third Hole Spacing: 1.187 INCHES NOMINAL IN
  • Fifth Hole Spacing: 0.215 INCHES NOMINAL IN
  • Material: MICA OVERALL
  • Style Designator: FLAT, DIAMOND
  • First End Radius: 0.196 INCHES NOMINAL IN
  • Second Hole Spacing: 0.522 INCHES NOMINAL IN
Applications
  • Applications requiring Mica Overall construction
General Description

The Insulator,plate, cataloged under National Stock Number 5970-00-840-5109, 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 Reliance Mica Company, Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 22 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5970-00-840-5109
Primary Part Number734
Item NameInsulator,plate
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerReliance Mica Company, Inc.
StatusCANCELLED
First Hole Spacing0.196 INCHES NOMINAL IN
Third Hole Spacing1.187 INCHES NOMINAL IN
Fifth Hole Spacing0.215 INCHES NOMINAL IN
MaterialMICA OVERALL
Style DesignatorFLAT, DIAMOND
First End Radius0.196 INCHES NOMINAL IN
Second Hole Spacing0.522 INCHES NOMINAL IN
First Side Radius0.528 INCHES NOMINAL IN
First Hole Diameter0.140 INCHES NOMINAL IN
Fourth Hole Spacing0.430 INCHES NOMINAL IN
Second Hole Diameter0.050 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5970-00-078-1542734KM0D INTERCHANGEABLE
Insulator,plate
Magnetic Shield Corp
5970-00-144-7779 INTERCHANGEABLE
Insulator,plate
5940-00-781-92401482-103 INTERCHANGEABLE
Post,binding,electrical
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5340-00-960-450255971 INTERCHANGEABLE
Clamp,loop
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5905-00-964-4418500-1101 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Vishay Sprague Inc
5970-01-078-4472495320-1 INTERCHANGEABLE
Insulator,plate
Northrop Grumman Systems Corporation Div Marine Systems
4720-01-251-8309 INTERCHANGEABLE
Hose Assembly,nonmetallic
5930-01-288-33965001-3E PC 19 INTERCHANGEABLE
Switch Assembly
Blowers, Llc
7643-01-405-19642201 03 INTERCHANGEABLE
Topographic Geospatial Products
National Geospatial-Intelligence Agency Etds Mailstop J 21
4510-01-472-325122-0103 INTERCHANGEABLE
Pressure Control St
Sea-Tech Systems, Inc. Dba Sea Tech Systems
Cross-Reference Index
Part NumberManufacturer
734 PRIMARY Reliance Mica Company, Inc. (USA)
5597-1 New Haven Mfg Corp (USA)
734KM0D Perfection Mica Co (USA)
734K Magnetic Shield Corp (USA)
220-103 Columbia Scientific Corp (USA)
495320-1 Harris Corp Findlay Opns (USA)
DM115 Hunt Mfg Inc X-Acto Div (USA)
128-006-0001 Kontron Europe Gmbh (DEU)
DM115 Semiconductor Specialists Inc (USA)
352-9882-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
500-110-1 Tempo Instrument Inc Defense Electronics Div (USA)
54-00076-003 PRIMARY Raytheon Company (USA)
352-9882-010 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
10557424-1 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
734K Perfection Mica Co (USA)
128-006-0001 PRIMARY Northrop Grumman Systems Corporation (USA)
13220E3929-2 Cecom Lr Center (USA)
DM115 PRIMARY The Delbert Blinn Co Inc (USA)
500-110-1 B.c. Systems Inc. Dba Bc Systems Inc (USA)
734 Ford Radio and Mica Corp (USA)
Related Parts
5970-00-078-1542INTERCHANGEABLE
INSULATOR,PLATE
734KM0D
5970-00-144-7779INTERCHANGEABLE
INSULATOR,PLATE
5940-00-781-9240INTERCHANGEABLE
POST,BINDING,ELECTRICAL
1482-103
5340-00-960-4502INTERCHANGEABLE
CLAMP,LOOP
55971
5905-00-964-4418INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
500-1101
5970-01-078-4472INTERCHANGEABLE
INSULATOR,PLATE
495320-1
4720-01-251-8309INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5930-01-288-3396INTERCHANGEABLE
SWITCH ASSEMBLY
5001-3E PC 19
7643-01-405-1964INTERCHANGEABLE
TOPOGRAPHIC GEOSPATIAL PRODUCTS
2201 03
4510-01-472-3251INTERCHANGEABLE
PRESSURE CONTROL ST
22-0103
1560-01-533-9511INTERCHANGEABLE
WING RET BUN
55971
5360-01-547-5889INTERCHANGEABLE
SPRING,CONSTANT FORCE
220103

Frequently Asked Questions

What is NSN 5970-00-840-5109?

NSN 5970-00-840-5109 is a Insulator,plate, manufactured by Reliance Mica Company, Inc., classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-00-840-5109?

NSN 5970-00-840-5109 has 23 cross-referenced part numbers: 734 (Reliance Mica Company, Inc.), 5597-1 (New Haven Mfg Corp), 734KM0D (Perfection Mica Co), 734K (Magnetic Shield Corp), 220-103 (Columbia Scientific Corp) and 18 more.

What NSN replaces 5970-00-840-5109?

There are 12 known substitutes for 5970-00-840-5109: 5970-00-078-1542, 5970-00-144-7779, 5940-00-781-9240 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 734?

Key specifications for 734: First Hole Spacing: 0.196 INCHES NOMINAL IN; Third Hole Spacing: 1.187 INCHES NOMINAL IN; Fifth Hole Spacing: 0.215 INCHES NOMINAL IN; Material: MICA OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-00-840-5109 still in active supply?

NSN 5970-00-840-5109 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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