PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52-257-006Terminal Board

Spectrum Control, Inc. · NSN 5940-01-525-0666 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-01-525-0666 — this item is cataloged by the U.S. Government under National Stock Number 5940-01-525-0666. Primary manufacturer part number: 52-257-006.
Features
  • Terminal Board — FSC 5940
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Current Rating in Amps: 20.0
  • Distance From Bottom Edge of Terminal Board to Center of Mounting Hole: 0.186 INCHES IN
  • Material: PLASTIC BOARD
  • Board Construction: SOLID CONSTRUCTION
  • Mounting Hole Diameter: 0.190 INCHES IN
  • Body Style: BARRIER TYPE
Applications
  • Applications requiring Plastic Board construction
General Description

The Terminal Board, cataloged under National Stock Number 5940-01-525-0666, 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 Spectrum Control, Inc.. Government technical data includes 16 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5940-01-525-0666
Primary Part Number52-257-006
Item NameTerminal Board
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerSpectrum Control, Inc.
StatusACTIVE
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Current Rating in Amps20.0
Distance From Bottom Edge of Terminal Board to Center of Mounting Hole0.186 INCHES IN
MaterialPLASTIC BOARD
Board ConstructionSOLID CONSTRUCTION
Mounting Hole Diameter0.190 INCHES IN
Body StyleBARRIER TYPE
Board Overall Width0.650 INCHES IN
Center to Center Distance Between Terminals0.438 INCHES IN
Terminal Pattern ArrangementSINGLE ROW
Distance From Left Edge of Terminal Board to Center of First Mounting Facility0.213 INCHES IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.062 INCHES IN
Board Height Excluding Terminals0.810 INCHES IN
Board Overall Height1.560 INCHES IN
Base Thickness0.032 INCHES IN
Board Overall Length3.460 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-01-511-455052-257-006A INTERCHANGEABLE
Terminal Junction Block,sectiona
Spectrum Controls Inc Connector Div
Cross-Reference Index
Part NumberManufacturer
52-257-006-A Spectrum Control, Inc. Div Api Technologies - Eis/wesson (USA)
52-257-006 PRIMARY Spectrum Control, Inc. (USA)
PL 9002A1002-1 ITEM 54 L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division (USA)
Related Parts
5940-01-511-4550INTERCHANGEABLE
TERMINAL JUNCTION BLOCK,SECTIONA
52-257-006A

Frequently Asked Questions

What is NSN 5940-01-525-0666?

NSN 5940-01-525-0666 is a Terminal Board, manufactured by Spectrum Control, Inc., classified under FSC 5940 (No Item Name Available). Status: active.

What are the part numbers for NSN 5940-01-525-0666?

NSN 5940-01-525-0666 has 3 cross-referenced part numbers: 52-257-006-A (Spectrum Control, Inc. Div Api Technologies - Eis/wesson), 52-257-006 (Spectrum Control, Inc.), PL 9002A1002-1 ITEM 54 (L-3 Communications Westwood Corporation Dba Edi Division Div Tano Division).

What NSN replaces 5940-01-525-0666?

There is 1 known substitute for 5940-01-525-0666: 5940-01-511-4550. Verify interchangeability with system specifications before substitution.

What are the specifications of 52-257-006?

Key specifications for 52-257-006: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Current Rating in Amps: 20.0; Distance From Bottom Edge of Terminal Board to Center of Mounting Hole: 0.186 INCHES IN; Material: PLASTIC BOARD. 19 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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