PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NL422W35-039Insulator,feedthru

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5970-00-159-0189 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-159-0189 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-159-0189. Primary manufacturer part number: NL422W35-039.
Features
  • Insulator,feedthru — FSC 5970
  • Thread Length and Location: 1.250 CENTER STUD INCHES NOMINAL
  • Thread Length and Location: 1.250 CENTER STUD INCHES NOMINAL
  • Center Stud Length: 4.938 INCHES NOMINAL IN
  • Identification Code Color: WHITE
  • Thread Class and Location: 2A CENTER STUD A
  • Top Diameter: 0.875 INCHES NOMINAL IN
  • Height Above Mounting Surface: 1.125 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulator,feedthru, cataloged under National Stock Number 5970-00-159-0189, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5970-00-159-0189
Primary Part NumberNL422W35-039
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
StatusACTIVE
Thread Length and Location1.250 CENTER STUD INCHES NOMINAL
Thread Length and Location1.250 CENTER STUD INCHES NOMINAL
Center Stud Length4.938 INCHES NOMINAL IN
Identification Code ColorWHITE
Thread Class and Location2A CENTER STUD A
Top Diameter0.875 INCHES NOMINAL IN
Height Above Mounting Surface1.125 INCHES NOMINAL IN
Screw Thread Quantity Per Inch and Location20 CENTER STUD
Shoulder Outside Diameter1.000 INCHES NOMINAL IN
Shoulder Depth0.062 INCHES NOMINAL IN
Screw Thread Diameter and Location0.250 CENTER STUD INCHES NOMINAL
Electrical Termination Quantity2
Screw Thread Series Designator and LocationCENTER STUD UNIFIED NATIONAL COARSE (UNC)
Mounting Facility Type and Quantity1 THREADED STUD(S)
Shoulder Depth0.062 INCHES NOMINAL IN
Style DesignatorDOUBLE, OVAL
Style DesignatorDOUBLE, OVAL
Outside Diameter1.750 INCHES NOMINAL IN
Center Stud Length4.938 INCHES NOMINAL IN
Screw Thread Quantity Per Inch and Location20 CENTER STUD
Screw Thread Diameter and Location0.250 CENTER STUD INCHES NOMINAL
Thread Class and Location2A CENTER STUD A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5970-00-228-4163 INTERCHANGEABLE
Insulator,feedthru
5970-00-931-1114 INTERCHANGEABLE
Insulator,feedthru
Cross-Reference Index
Part NumberManufacturer
NL422W35-039 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-I-23264/14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5970-00-228-4163INTERCHANGEABLE
INSULATOR,FEEDTHRU
5970-00-931-1114INTERCHANGEABLE
INSULATOR,FEEDTHRU

Frequently Asked Questions

What is NSN 5970-00-159-0189?

NSN 5970-00-159-0189 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: active.

What are the part numbers for NSN 5970-00-159-0189?

NSN 5970-00-159-0189 has 2 cross-referenced part numbers: NL422W35-039 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-I-23264/14 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5970-00-159-0189?

There are 2 known substitutes for 5970-00-159-0189: 5970-00-228-4163, 5970-00-931-1114. Verify interchangeability with system specifications before substitution.

What are the specifications of NL422W35-039?

Key specifications for NL422W35-039: Thread Length and Location: 1.250 CENTER STUD INCHES NOMINAL; Thread Length and Location: 1.250 CENTER STUD INCHES NOMINAL; Center Stud Length: 4.938 INCHES NOMINAL IN; Identification Code Color: WHITE. 22 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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