PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4664Insulator,plate

Keystone Electronics Corp · NSN 5970-01-055-5153 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-055-5153 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-055-5153. Primary manufacturer part number: 4664.
Features
  • Insulator,plate — FSC 5970
  • First End Radius: 0.270 INCHES NOMINAL IN
  • First Side Radius: 0.375 INCHES NOMINAL IN
  • Style Designator: FLAT, DIAMOND
  • Material: MICA OVERALL
  • Second Hole Spacing: 0.380 INCHES NOMINAL IN
  • Third Hole Spacing: 0.960 INCHES NOMINAL IN
  • Second Hole Diameter: 0.080 INCHES NOMINAL IN
Applications
  • Applications requiring Mica Overall construction
General Description

The Insulator,plate, cataloged under National Stock Number 5970-01-055-5153, 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 Keystone Electronics Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5970-01-055-5153
Primary Part Number4664
Item NameInsulator,plate
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerKeystone Electronics Corp
StatusACTIVE
First End Radius0.270 INCHES NOMINAL IN
First Side Radius0.375 INCHES NOMINAL IN
Style DesignatorFLAT, DIAMOND
MaterialMICA OVERALL
Second Hole Spacing0.380 INCHES NOMINAL IN
Third Hole Spacing0.960 INCHES NOMINAL IN
Second Hole Diameter0.080 INCHES NOMINAL IN
Fourth Hole Spacing0.200 INCHES NOMINAL IN
First Hole Spacing0.270 INCHES NOMINAL IN
First Hole Diameter0.166 INCHES NOMINAL IN
Fifth Hole Spacing0.100 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2920-00-033-2602 INTERCHANGEABLE
Plate,starter
5905-00-056-670610975148 INTERCHANGEABLE
Resistor,fixed,wire Wound
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
5905-00-088-272295J24K INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5977-00-234-9562 INTERCHANGEABLE
Brush,electrical Contact
5999-00-238-9574 INTERCHANGEABLE
Cap,electrical
5325-00-286-0689 INTERCHANGEABLE
Grommet,nonmetallic
5140-00-408-06565140-00-408-0656 INTERCHANGEABLE
Carrier,tool
General Services Administration Federal Supply Service
2920-00-696-4473XH-1945 INTERCHANGEABLE
Clamp,distributor T
Heale Manufacturing Co Llc
5315-01-113-09774664 INTERCHANGEABLE
Pin
Hoyt Corporation
6515-01-131-6218 INTERCHANGEABLE
Suction Kit,tracheal
Cross-Reference Index
Part NumberManufacturer
4664 PRIMARY Keystone Electronics Corp (USA)
Related Parts
2920-00-033-2602INTERCHANGEABLE
PLATE,STARTER
5905-00-056-6706INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
10975148
5905-00-088-2722INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
95J24K
5977-00-234-9562INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5999-00-238-9574INTERCHANGEABLE
CAP,ELECTRICAL
5325-00-286-0689INTERCHANGEABLE
GROMMET,NONMETALLIC
5140-00-408-0656INTERCHANGEABLE
CARRIER,TOOL
5140-00-408-0656
2920-00-696-4473INTERCHANGEABLE
CLAMP,DISTRIBUTOR T
XH-1945
5315-01-113-0977INTERCHANGEABLE
PIN
4664
6515-01-131-6218INTERCHANGEABLE
SUCTION KIT,TRACHEAL
5340-01-338-5356INTERCHANGEABLE
CATCH,FLUSH
4664

Frequently Asked Questions

What is NSN 5970-01-055-5153?

NSN 5970-01-055-5153 is a Insulator,plate, manufactured by Keystone Electronics Corp, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-055-5153?

NSN 5970-01-055-5153 has 1 cross-referenced part number: 4664 (Keystone Electronics Corp).

What NSN replaces 5970-01-055-5153?

There are 11 known substitutes for 5970-01-055-5153: 2920-00-033-2602, 5905-00-056-6706, 5905-00-088-2722 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4664?

Key specifications for 4664: First End Radius: 0.270 INCHES NOMINAL IN; First Side Radius: 0.375 INCHES NOMINAL IN; Style Designator: FLAT, DIAMOND; Material: MICA OVERALL. 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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