PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MT331Jack,telephone

Switchcraft Inc. · NSN 5935-00-201-8993 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-201-8993 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-201-8993. Primary manufacturer part number: MT331.
Features
  • Jack,telephone — FSC 5935
  • Thread Class: 2A A
  • Finger Accommodation Diameter: 0.221 INCHES NOMINAL SINGLE FINGER IN
  • Material: PALLADIUM CONTACT
  • Finger Accommodation Length: 0.978 INCHES NOMINAL SINGLE FINGER IN
  • Surface Treatment: TIN TERMINAL
  • Precious Material: PALLADIUM
  • Material: NICKEL ALLOY TERMINAL
Applications
  • Applications requiring Palladium Contact construction
General Description

The Jack,telephone, cataloged under National Stock Number 5935-00-201-8993, 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 23 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-201-8993
Primary Part NumberMT331
Item NameJack,telephone
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerSwitchcraft Inc.
StatusACTIVE
Thread Class2A A
Finger Accommodation Diameter0.221 INCHES NOMINAL SINGLE FINGER IN
MaterialPALLADIUM CONTACT
Finger Accommodation Length0.978 INCHES NOMINAL SINGLE FINGER IN
Surface TreatmentTIN TERMINAL
Precious MaterialPALLADIUM
MaterialNICKEL ALLOY TERMINAL
Thread Series DesignatorUNEF
Mounting Bushing Length0.500 INCHES NOMINAL IN
Mounting Hole Diameter0.156 INCHES NOMINAL IN
Electrical Insulation FeatureINSULATED COMPLETELY
Body Width0.938 INCHES NOMINAL IN
MaterialNICKEL ALLOY SPRING
Precious Material and LocationCONTACTS PALLADIUM
Bushing Thru-Hole Accommodation Diameter0.375 INCHES NOMINAL IN
Bushing Accommodation Hole ShapeROUND
Accommodated Finger TypeTWO CONDUCTOR, ROUND TIP SINGLE FINGER
Jack Contact Arrangement DesignatorJ1
Body StyleTHREADED BUSHING MOUNTED LONG FRAME
Terminal TypeTAB, SOLDER LUG
Thread DirectionRIGHT-HAND
Nominal Thread Size0.375 INCHES IN
Mounting Facility Type and Quantity1 BUSHING AND 1 UNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5935-00-192-4826 INTERCHANGEABLE
Jack,telephone
5340-01-426-1734802597 INTERCHANGEABLE
Bracket Set,angle
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
MT331 PRIMARY Switchcraft Inc. (USA)
JJ086 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
802597 PRIMARY Stromberg-Carlson Corp a Plessey Telecommunications Co (USA)
157 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
802597 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
Related Parts
5935-00-192-4826INTERCHANGEABLE
JACK,TELEPHONE
5340-01-426-1734INTERCHANGEABLE
BRACKET SET,ANGLE
802597

Frequently Asked Questions

What is NSN 5935-00-201-8993?

NSN 5935-00-201-8993 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 5935-00-201-8993?

NSN 5935-00-201-8993 has 5 cross-referenced part numbers: MT331 (Switchcraft Inc.), JJ086 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 802597 (Stromberg-Carlson Corp a Plessey Telecommunications Co), 157 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), 802597 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc).

What NSN replaces 5935-00-201-8993?

There are 2 known substitutes for 5935-00-201-8993: 5935-00-192-4826, 5340-01-426-1734. Verify interchangeability with system specifications before substitution.

What are the specifications of MT331?

Key specifications for MT331: Thread Class: 2A A; Finger Accommodation Diameter: 0.221 INCHES NOMINAL SINGLE FINGER IN; Material: PALLADIUM CONTACT; Finger Accommodation Length: 0.978 INCHES NOMINAL SINGLE FINGER IN. 25 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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