PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MT334AJack,telephone

Switchcraft Inc. · NSN 5935-00-583-2746 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-583-2746 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-583-2746. Primary manufacturer part number: MT334A.
Features
  • Jack,telephone — FSC 5935
  • Mounting Bushing Diameter: 0.453 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 1 BUSHING AND 1 UNTHREADED HOLE(S)
  • Bushing Thru-Hole Accommodation Diameter: 0.453 INCHES NOMINAL IN
  • Jack Contact Arrangement Designator: J4-1C
  • Finger Accommodation Length: 1.219 INCHES NOMINAL SINGLE FINGER IN
  • Mounting Bushing Length: 0.578 INCHES NOMINAL IN
  • Precious Material and Weight: 0.005 GOLD GRAINS, TROY
Applications
  • Applications requiring Copper Alloy Spring construction
General Description

The Jack,telephone, cataloged under National Stock Number 5935-00-583-2746, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5935-00-583-2746
Primary Part NumberMT334A
Item NameJack,telephone
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerSwitchcraft Inc.
StatusCANCELLED
Mounting Bushing Diameter0.453 INCHES NOMINAL IN
Mounting Facility Type and Quantity1 BUSHING AND 1 UNTHREADED HOLE(S)
Bushing Thru-Hole Accommodation Diameter0.453 INCHES NOMINAL IN
Jack Contact Arrangement DesignatorJ4-1C
Finger Accommodation Length1.219 INCHES NOMINAL SINGLE FINGER IN
Mounting Bushing Length0.578 INCHES NOMINAL IN
Precious Material and Weight0.005 GOLD GRAINS, TROY
Terminal TypeTAB, SOLDER LUG
Mounting Hole Diameter0.156 INCHES NOMINAL IN
Accommodated Finger TypeTWO CONDUCTOR, ROUND TIP SINGLE FINGER
Bushing Accommodation Hole ShapeROUND
Surface TreatmentGOLD SPRING
Electrical Insulation FeatureUNINSULATED
Precious Material and LocationCONTACT SPRING SURFACE GOLD
Precious MaterialGOLD
Finger Accommodation Diameter0.250 INCHES NOMINAL SINGLE FINGER IN
MaterialCOPPER ALLOY SPRING
Body Width0.562 INCHES NOMINAL IN
Body StyleBUSHING MOUNTED LONG FRAME
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6220-00-500-4755325A12V-W/521H INTERCHANGEABLE
Spotlight
Unity Manufacturing Co
6210-00-557-0711225A INTERCHANGEABLE
Light,indicator
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
5950-00-645-444895936 INTERCHANGEABLE
Coil,telephone
Telemechanics Inc
5935-00-665-9020100125P2 INTERCHANGEABLE
Jack,tip
Lockheed Martin Corporation Div Rms
5965-00-827-9679 INTERCHANGEABLE
Harness,chest Set
4820-00-916-35964726 INTERCHANGEABLE
Valve,check
Saylor-Beall Manufacturing Company
5945-00-925-9957225A INTERCHANGEABLE
Chopper,electronic
Cambridge Scientific Industries Div of Diversey Corp
5133-01-014-701533AR-6 INTERCHANGEABLE
Bit Set,spade,wood Boring
Greenlee Textron Inc.
Cross-Reference Index
Part NumberManufacturer
MT334A Switchcraft Inc. (USA)
103766630 American Telephone and Telegraph Co (USA)
225A-50 American Telephone and Telegraph Co (USA)
225A American Telephone and Telegraph Co (USA)
225AJACK At and T Corp (USA)
PJ125 Te Connectivity Networks, Inc. Div Adc Telecommunications Sales, Inc. (USA)
WE225A American Telephone and Telegraph Co (USA)
Related Parts
6220-00-500-4755INTERCHANGEABLE
SPOTLIGHT
325A12V-W/521H
6210-00-557-0711INTERCHANGEABLE
LIGHT,INDICATOR
225A
5950-00-645-4448INTERCHANGEABLE
COIL,TELEPHONE
95936
5935-00-665-9020INTERCHANGEABLE
JACK,TIP
100125P2
5965-00-827-9679INTERCHANGEABLE
HARNESS,CHEST SET
4820-00-916-3596INTERCHANGEABLE
VALVE,CHECK
4726
5945-00-925-9957INTERCHANGEABLE
CHOPPER,ELECTRONIC
225A
5133-01-014-7015INTERCHANGEABLE
BIT SET,SPADE,WOOD BORING
33AR-6

Frequently Asked Questions

What is NSN 5935-00-583-2746?

NSN 5935-00-583-2746 is a Jack,telephone, manufactured by Switchcraft Inc., classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-583-2746?

NSN 5935-00-583-2746 has 7 cross-referenced part numbers: MT334A (Switchcraft Inc.), 103766630 (American Telephone and Telegraph Co), 225A-50 (American Telephone and Telegraph Co), 225A (American Telephone and Telegraph Co), 225AJACK (At and T Corp) and 2 more.

What NSN replaces 5935-00-583-2746?

There are 8 known substitutes for 5935-00-583-2746: 6220-00-500-4755, 6210-00-557-0711, 5950-00-645-4448 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MT334A?

Key specifications for MT334A: Mounting Bushing Diameter: 0.453 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 BUSHING AND 1 UNTHREADED HOLE(S); Bushing Thru-Hole Accommodation Diameter: 0.453 INCHES NOMINAL IN; Jack Contact Arrangement Designator: J4-1C. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-583-2746 still in active supply?

NSN 5935-00-583-2746 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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