PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M443AJAXJack,telephone

Switchcraft Inc. · NSN 5935-00-243-8163 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-243-8163 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-243-8163. Primary manufacturer part number: M443AJAX.
Features
  • Jack,telephone — FSC 5935
  • Bushing Thru-Hole Accommodation Diameter: 0.375 INCHES NOMINAL IN
  • Body Style: THREADED BUSHING MOUNTED LONG FRAME
  • Terminal Type: TAB, SOLDER LUG
  • Jack Contact Arrangement Designator: J5
  • Accommodated Finger Type: TWO CONDUCTOR, ROUND TIP SINGLE FINGER
  • Finger Accommodation Diameter: 0.252 INCHES NOMINAL SINGLE FINGER IN
  • Finger Accommodation Length: 1.015 INCHES NOMINAL SINGLE FINGER IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Jack,telephone, cataloged under National Stock Number 5935-00-243-8163, is classified within Federal Supply Class 5935 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Switchcraft Inc.. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-243-8163
Primary Part NumberM443AJAX
Item NameJack,telephone
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerSwitchcraft Inc.
StatusACTIVE
Bushing Thru-Hole Accommodation Diameter0.375 INCHES NOMINAL IN
Body StyleTHREADED BUSHING MOUNTED LONG FRAME
Terminal TypeTAB, SOLDER LUG
Jack Contact Arrangement DesignatorJ5
Accommodated Finger TypeTWO CONDUCTOR, ROUND TIP SINGLE FINGER
Finger Accommodation Diameter0.252 INCHES NOMINAL SINGLE FINGER IN
Finger Accommodation Length1.015 INCHES NOMINAL SINGLE FINGER IN
Nominal Thread Size0.375 INCHES IN
Specification/standard Data81349-MIL-J-641 GOVERNMENT SPECIFICATION
Mounting Facility Type and Quantity1 BUSHING AND 1 UNTHREADED HOLE(S)
Mounting Hole Diameter0.156 INCHES NOMINAL IN
Mounting Bushing Length0.375 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Body Width0.562 INCHES NOMINAL IN
Electrical Insulation FeatureINSULATED COMPLETELY
Bushing Accommodation Hole ShapeROUND
Thread Class2A A
Surface TreatmentTIN TERMINAL
Test Data Document81349-MIL-J-641 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Thread Series DesignatorUNEF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-192-4857 INTERCHANGEABLE
Jack,telephone
5935-00-234-1594 INTERCHANGEABLE
Jack,telephone
5935-00-433-5778 INTERCHANGEABLE
Jack,telephone
5935-00-636-6602 INTERCHANGEABLE
Jack,telephone
Cross-Reference Index
Part NumberManufacturer
M443AJAX Switchcraft Inc. (USA)
JJ105 Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
JANJ641 Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-00-192-4857INTERCHANGEABLE
JACK,TELEPHONE
5935-00-234-1594INTERCHANGEABLE
JACK,TELEPHONE
5935-00-433-5778INTERCHANGEABLE
JACK,TELEPHONE
5935-00-636-6602INTERCHANGEABLE
JACK,TELEPHONE

Frequently Asked Questions

What is NSN 5935-00-243-8163?

NSN 5935-00-243-8163 is a Jack,telephone, manufactured by Switchcraft Inc., classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-243-8163?

NSN 5935-00-243-8163 has 3 cross-referenced part numbers: M443AJAX (Switchcraft Inc.), JJ105 (Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), JANJ641 (Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5935-00-243-8163?

There are 4 known substitutes for 5935-00-243-8163: 5935-00-192-4857, 5935-00-234-1594, 5935-00-433-5778 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M443AJAX?

Key specifications for M443AJAX: Bushing Thru-Hole Accommodation Diameter: 0.375 INCHES NOMINAL IN; Body Style: THREADED BUSHING MOUNTED LONG FRAME; Terminal Type: TAB, SOLDER LUG; Jack Contact Arrangement Designator: J5. 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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