PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-B-342540Jack,telephone

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5935-00-549-5312 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-549-5312 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-549-5312. Primary manufacturer part number: SM-B-342540.
Features
  • Jack,telephone — FSC 5935
  • Material: COPPER ALLOY BODY
  • Terminal Type: TAB, SOLDER LUG
  • Material: COPPER ALLOY BUSHING
  • Bushing Thru-Hole Accommodation Diameter: 0.375 INCHES NOMINAL IN
  • Precious Material and Location: CONTACT MATERIAL GOLD AND CONTACT SPRING MATERIAL SILVER
  • Material: SILVER CONTACT
  • Finger Accommodation Diameter: 0.251 INCHES NOMINAL SINGLE FINGER IN
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Jack,telephone, cataloged under National Stock Number 5935-00-549-5312, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5935-00-549-5312
Primary Part NumberSM-B-342540
Item NameJack,telephone
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
MaterialCOPPER ALLOY BODY
Terminal TypeTAB, SOLDER LUG
MaterialCOPPER ALLOY BUSHING
Bushing Thru-Hole Accommodation Diameter0.375 INCHES NOMINAL IN
Precious Material and LocationCONTACT MATERIAL GOLD AND CONTACT SPRING MATERIAL SILVER
MaterialSILVER CONTACT
Finger Accommodation Diameter0.251 INCHES NOMINAL SINGLE FINGER IN
Bushing Accommodation Hole ShapeROUND
Accommodated Finger TypeTWO CONDUCTOR, ROUND TIP SINGLE FINGER
MaterialCOPPER ALLOY TERMINAL
Thread Series DesignatorUNEF
Finger Accommodation Length1.000 INCHES MINIMUM AND 1.030 INCHES MAXIMUM SINGLE FINGER IN
Surface TreatmentNICKEL BUSHING
Jack Contact Arrangement DesignatorJ4
Precious MaterialGOLD AND SILVER
Thread Quantity Per Inch32
MaterialCOPPER ALLOY 745 SPRING
Surface TreatmentTIN TERMINAL
Surface TreatmentNICKEL BODY
MaterialPLASTIC INSULATOR
Nominal Thread Size0.375 INCHES IN
Mounting Facility Type and Quantity1 BUSHING
Thread DirectionRIGHT-HAND
Overall Diameter0.781 INCHES MAXIMUM IN
Electrical Insulation FeatureUNINSULATED
Thread Class2A A
Body StyleTHREADED BUSHING MOUNTED
Mounting Bushing Length0.281 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6685-00-068-344645-1377BS02B600 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
5120-00-230-7900DWG5120-00-230-7900 INTERCHANGEABLE
Adjuster,spring,communications E
General Services Administration Federal Supply Service
1040-00-936-938854A50B204-1 INTERCHANGEABLE
Tube Assy
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-01-229-691320777 INTERCHANGEABLE
Valve,flow Control
Aerco International, Inc. Dba Aerco International Inc
4720-01-271-800320777 INTERCHANGEABLE
Hose,preformed
Gates Corporation
4820-01-650-5353121995 INTERCHANGEABLE
Valve,stop-Check
Aerco International, Inc. Dba Aerco International Inc
4820-01-650-5375122933 INTERCHANGEABLE
Valve,stop-Check
Aerco International, Inc. Dba Aerco International Inc
Cross-Reference Index
Part NumberManufacturer
2J-1236B Switchcraft Inc. (USA)
20777 Kleinschmidt Inc (USA)
SM-B-342540 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
6685-00-068-3446INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1377BS02B600
5120-00-230-7900INTERCHANGEABLE
ADJUSTER,SPRING,COMMUNICATIONS E
DWG5120-00-230-7900
1040-00-936-9388INTERCHANGEABLE
TUBE ASSY
54A50B204-1
4820-01-229-6913INTERCHANGEABLE
VALVE,FLOW CONTROL
20777
4720-01-271-8003INTERCHANGEABLE
HOSE,PREFORMED
20777
4820-01-650-5353INTERCHANGEABLE
VALVE,STOP-CHECK
121995
4820-01-650-5375INTERCHANGEABLE
VALVE,STOP-CHECK
122933

Frequently Asked Questions

What is NSN 5935-00-549-5312?

NSN 5935-00-549-5312 is a Jack,telephone, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5935 (No Item Name Available). Status: active.

What are the part numbers for NSN 5935-00-549-5312?

NSN 5935-00-549-5312 has 3 cross-referenced part numbers: 2J-1236B (Switchcraft Inc.), 20777 (Kleinschmidt Inc), SM-B-342540 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5935-00-549-5312?

There are 7 known substitutes for 5935-00-549-5312: 6685-00-068-3446, 5120-00-230-7900, 1040-00-936-9388 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-B-342540?

Key specifications for SM-B-342540: Overall Length: 1.296 INCHES MAXIMUM IN; Material: COPPER ALLOY BODY; Terminal Type: TAB, SOLDER LUG; Material: COPPER ALLOY BUSHING. 29 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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