PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-I-23264/14Insulator,feedthru

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5970-00-228-4163 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-228-4163 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-228-4163. Primary manufacturer part number: MIL-I-23264/14.
Features
  • Insulator,feedthru — FSC 5970
  • Shoulder Depth: 0.047 INCHES NOMINAL IN
  • Screw Thread Series Designator and Location: CENTER STUD UNIFIED NATIONAL COARSE (UNC)
  • Height Above Mounting Surface: 1.625 INCHES NOMINAL IN
  • Screw Thread Diameter and Location: 0.250 CENTER STUD INCHES NOMINAL
  • Center Stud Length: 6.000 INCHES NOMINAL IN
  • Electrical Termination Quantity: 2
  • Screw Thread Quantity Per Inch and Location: 20 CENTER STUD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulator,feedthru, cataloged under National Stock Number 5970-00-228-4163, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5970-00-228-4163
Primary Part NumberMIL-I-23264/14
Item NameInsulator,feedthru
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Shoulder Depth0.047 INCHES NOMINAL IN
Screw Thread Series Designator and LocationCENTER STUD UNIFIED NATIONAL COARSE (UNC)
Height Above Mounting Surface1.625 INCHES NOMINAL IN
Screw Thread Diameter and Location0.250 CENTER STUD INCHES NOMINAL
Center Stud Length6.000 INCHES NOMINAL IN
Electrical Termination Quantity2
Screw Thread Quantity Per Inch and Location20 CENTER STUD
Thread Length and Location1.500 CENTER STUD INCHES NOMINAL
Thread Class and Location2A CENTER STUD A
Mounting Facility Type and Quantity1 THREADED STUD(S)
Shoulder Outside Diameter1.562 INCHES NOMINAL IN
Style DesignatorDOUBLE, BOWL
Outside Diameter2.500 INCHES NOMINAL IN
Identification Code ColorWHITE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5970-00-159-0189 INTERCHANGEABLE
Insulator,feedthru
5905-00-752-352722839-165 INTERCHANGEABLE
Resistor,adjustable
Ward Leonard Ct Llc
5970-00-931-1114 INTERCHANGEABLE
Insulator,feedthru
5985-00-946-3225324-835 INTERCHANGEABLE
Flange,waveguide
Cpi Satcom & Antenna Technologies Inc.
5305-00-955-516637016 INTERCHANGEABLE
Setscrew
Pitney Bowes Inc.
2530-00-967-0691F50014 INTERCHANGEABLE
Cylinder Assy,wheel
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
8905-01-093-096661025 INTERCHANGEABLE
Turkey,boneless
Armour and Co
5360-01-137-678161025 INTERCHANGEABLE
Spring
Vulcan-Hart Corp
6145-01-212-477337116 INTERCHANGEABLE
Wire,electrical
Belden Wire and Cable Co Wire and Cable Office
4820-01-261-1839 INTERCHANGEABLE
Disk,valve
Cross-Reference Index
Part NumberManufacturer
MIL-I-23264/14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
EBI250A Spaulding Composites Company Inc. Dba Mykroy/mycalex Div Mykroy/mycalex Ceramics (USA)
NL422W36-048 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
61025 Naval Ship Systems Command (USA)
37016 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
Related Parts
5970-00-159-0189INTERCHANGEABLE
INSULATOR,FEEDTHRU
5905-00-752-3527INTERCHANGEABLE
RESISTOR,ADJUSTABLE
22839-165
5970-00-931-1114INTERCHANGEABLE
INSULATOR,FEEDTHRU
5985-00-946-3225INTERCHANGEABLE
FLANGE,WAVEGUIDE
324-835
5305-00-955-5166INTERCHANGEABLE
SETSCREW
37016
2530-00-967-0691INTERCHANGEABLE
CYLINDER ASSY,WHEEL
F50014
8905-01-093-0966INTERCHANGEABLE
TURKEY,BONELESS
61025
5360-01-137-6781INTERCHANGEABLE
SPRING
61025
6145-01-212-4773INTERCHANGEABLE
WIRE,ELECTRICAL
37116
4820-01-261-1839INTERCHANGEABLE
DISK,VALVE
5945-01-415-6049INTERCHANGEABLE
RELAY,CENTRIFUGE,LA
61025
7025-01-504-5482INTERCHANGEABLE
DISK DRIVE UNIT
61025

Frequently Asked Questions

What is NSN 5970-00-228-4163?

NSN 5970-00-228-4163 is a Insulator,feedthru, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-00-228-4163?

NSN 5970-00-228-4163 has 5 cross-referenced part numbers: MIL-I-23264/14 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), EBI250A (Spaulding Composites Company Inc. Dba Mykroy/mycalex Div Mykroy/mycalex Ceramics), NL422W36-048 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 61025 (Naval Ship Systems Command), 37016 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl).

What NSN replaces 5970-00-228-4163?

There are 12 known substitutes for 5970-00-228-4163: 5970-00-159-0189, 5905-00-752-3527, 5970-00-931-1114 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-I-23264/14?

Key specifications for MIL-I-23264/14: Shoulder Depth: 0.047 INCHES NOMINAL IN; Screw Thread Series Designator and Location: CENTER STUD UNIFIED NATIONAL COARSE (UNC); Height Above Mounting Surface: 1.625 INCHES NOMINAL IN; Screw Thread Diameter and Location: 0.250 CENTER STUD INCHES NOMINAL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-00-228-4163 still in active supply?

NSN 5970-00-228-4163 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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