PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42TB8Terminal Board

Dialight Corporation · NSN 5940-00-983-6144 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-00-983-6144 — this item is cataloged by the U.S. Government under National Stock Number 5940-00-983-6144. Primary manufacturer part number: 42TB8.
Features
  • Terminal Board — FSC 5940
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 5.062 INCHES IN
  • Terminal Row Quantity: 2
  • Feedthru Connection End Type: 857 FIRST END SINGLE COMBINATION LOCATION NOT OTHERWISE SPECIFIED
  • Mounting Hole Diameter: 0.228 INCHES IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.500 INCHES IN
  • Material: PLASTIC DIALLYL PHTHALATE AND GLASS FIBER BOARD
  • Terminal Connecting Link Type: 1 SINGLE
Applications
  • Applications requiring Plastic Diallyl Phthalate and Glass Fiber Board construction
General Description

The Terminal Board, cataloged under National Stock Number 5940-00-983-6144, is classified within Federal Supply Class 5940 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Dialight Corporation. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5940-00-983-6144
Primary Part Number42TB8
Item NameTerminal Board
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerDialight Corporation
StatusCANCELLED
Center to Center Distance Between Mounting Facilities Parallel to Length5.062 INCHES IN
Terminal Row Quantity2
Feedthru Connection End Type857 FIRST END SINGLE COMBINATION LOCATION NOT OTHERWISE SPECIFIED
Mounting Hole Diameter0.228 INCHES IN
Center to Center Distance Between Mounting Facilities Parallel to Width0.500 INCHES IN
MaterialPLASTIC DIALLYL PHTHALATE AND GLASS FIBER BOARD
Terminal Connecting Link Type1 SINGLE
Feedthru Connection End TypeF4 SECOND END SINGLE COMBINATION BOARD
Material Document and ClassificationMIL-P-19833,TYPE GDI-30F MIL SPEC SINGLE MATERIAL RESPONSE BOARD
Body StyleBARRIER TYPE
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Board Overall Length5.500 INCHES IN
Terminal DesignLINKED VERTICAL FEEDTHRU
Board Overall Width1.312 INCHES IN
Distance Between Terminal Row Centers0.500 INCHES IN
Surface TreatmentNICKEL AND TIN TERMINALS
Terminal Pattern ArrangementMULTI-ROW
Current Rating in Amps15.0
Dielectric Withstanding Voltage in Volts4000.0
Distance From Bottom Edge of Terminal Board to Center of Mounting Hole0.406 INCHES IN
Feedthru Terminal Quantity8 SINGLE COMBINATION
Board Height Excluding Terminals0.703 INCHES IN
Board ConstructionHOLLOW CONSTRUCTION WITHOUT INSULATED STRIP
Distance From Left Edge of Terminal Board to Center of First Mounting Facility0.203 INCHES IN
Terminal Connecting Link Quantity8 SINGLE
Surface Treatment Document and ClassificationQQ-N-290,CLASS 1,TYPE 8 FED SPEC 1ST TREATMENT RESPONSE TERMINALS
Base Thickness0.453 INCHES IN
Center to Center Distance Between Terminals0.562 INCHES IN
Board Overall Height1.328 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5331-00-290-8783 INTERCHANGEABLE
O-Ring
5310-00-933-8118355-221-0023 INTERCHANGEABLE
Washer,lock
Meggitt (new Hampshire), Inc
5940-00-983-6145 INTERCHANGEABLE
Terminal Board
Cross-Reference Index
Part NumberManufacturer
42TB8 Dialight Corporation (USA)
42TB8 Regal Beloit America, Inc (USA)
8-142Y Cinch Connectivity Solutions Inc. (USA)
79Z1890D3 Abb Industrial Systems Inc (USA)
602CY8 Regal Beloit America, Inc (USA)
031862-0008 Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA)
MILT55164 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
42TB8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
8-1424 Cinch Connectivity Solutions Inc. (USA)
42TB8B Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59125/6 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
39308-714 Molex-Etc Inc Sub of Molex Inc (USA)
602CY8 Dialight Corporation (USA)
8-142YB2 Cinch Connectivity Solutions Inc. (USA)
JN111365-8 Regal Beloit America, Inc (USA)
602-GP-8 Regal Beloit America, Inc (USA)
990277-7 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
JN111365-8 Dialight Corporation (USA)
Related Parts
5331-00-290-8783INTERCHANGEABLE
O-RING
5310-00-933-8118INTERCHANGEABLE
WASHER,LOCK
355-221-0023
5940-00-983-6145INTERCHANGEABLE
TERMINAL BOARD

Frequently Asked Questions

What is NSN 5940-00-983-6144?

NSN 5940-00-983-6144 is a Terminal Board, manufactured by Dialight Corporation, classified under FSC 5940 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5940-00-983-6144?

NSN 5940-00-983-6144 has 18 cross-referenced part numbers: 42TB8 (Dialight Corporation), 42TB8 (Regal Beloit America, Inc), 8-142Y (Cinch Connectivity Solutions Inc.), 79Z1890D3 (Abb Industrial Systems Inc), 602CY8 (Regal Beloit America, Inc) and 13 more.

What NSN replaces 5940-00-983-6144?

There are 3 known substitutes for 5940-00-983-6144: 5331-00-290-8783, 5310-00-933-8118, 5940-00-983-6145. Verify interchangeability with system specifications before substitution.

What are the specifications of 42TB8?

Key specifications for 42TB8: Center to Center Distance Between Mounting Facilities Parallel to Length: 5.062 INCHES IN; Terminal Row Quantity: 2; Feedthru Connection End Type: 857 FIRST END SINGLE COMBINATION LOCATION NOT OTHERWISE SPECIFIED; Mounting Hole Diameter: 0.228 INCHES IN. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5940-00-983-6144 still in active supply?

NSN 5940-00-983-6144 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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