PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S51870-1Terminal Board Assembly

SSD Drives Inc Formerly Eurotherm Drives Inc. Dba SSD Drives Inc. · NSN 5940-01-516-2972 · FSC 5940 · No Item Name Available
Verified by PartsTable
NSN 5940-01-516-2972 — this item is cataloged by the U.S. Government under National Stock Number 5940-01-516-2972. Primary manufacturer part number: S51870-1.
Features
  • Terminal Board Assembly — FSC 5940
  • Terminal Board Quantity Per Assembly: 2
  • 2 verified cross-references
  • Primary manufacturer: SSD Drives Inc Formerly Eurotherm Drives Inc. Dba SSD Drives Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Terminal Board Assembly, cataloged under National Stock Number 5940-01-516-2972, 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 SSD Drives Inc Formerly Eurotherm Drives Inc. Dba SSD Drives Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5940-01-516-2972
Primary Part NumberS51870-1
Item NameTerminal Board Assembly
FSC / FSG5940 / 59 — No Item Name Available
ManufacturerSSD Drives Inc Formerly Eurotherm Drives Inc. Dba SSD Drives Inc.
StatusACTIVE
Terminal Board Quantity Per Assembly2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5305-00-021-0411 INTERCHANGEABLE
Screw,trigger Stop
5330-00-291-1554125HD2 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4810-01-225-693149878C INTERCHANGEABLE
Valve,main Ballast
Griswold Industries Dba Cla-Val Co
4810-01-225-905249880 INTERCHANGEABLE
Valve,main Ballast
Griswold Industries Dba Cla-Val Co
6110-01-279-758262102 INTERCHANGEABLE
Regulator,voltage and Frequency
Kensington Microwave Ltd
4730-01-283-8143 INTERCHANGEABLE
Elbow,pipe
4810-01-320-203862-102 INTERCHANGEABLE
Valve,linear,directional Control
Moog Inc
5330-01-528-799262102-VTC254 INTERCHANGEABLE
Gasket
Abb Inc.
Cross-Reference Index
Part NumberManufacturer
S51870-1 PRIMARY SSD Drives Inc Formerly Eurotherm Drives Inc. Dba SSD Drives Inc. (USA)
62102 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
Related Parts
5305-00-021-0411INTERCHANGEABLE
SCREW,TRIGGER STOP
5330-00-291-1554INTERCHANGEABLE
SEAL,PLAIN ENCASED
125HD2
4810-01-225-6931INTERCHANGEABLE
VALVE,MAIN BALLAST
49878C
4810-01-225-9052INTERCHANGEABLE
VALVE,MAIN BALLAST
49880
6110-01-279-7582INTERCHANGEABLE
REGULATOR,VOLTAGE AND FREQUENCY
62102
4730-01-283-8143INTERCHANGEABLE
ELBOW,PIPE
4810-01-320-2038INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
62-102
5330-01-528-7992INTERCHANGEABLE
GASKET
62102-VTC254

Frequently Asked Questions

What is NSN 5940-01-516-2972?

NSN 5940-01-516-2972 is a Terminal Board Assembly, manufactured by SSD Drives Inc Formerly Eurotherm Drives Inc. Dba SSD Drives Inc., classified under FSC 5940 (No Item Name Available). Status: active.

What are the part numbers for NSN 5940-01-516-2972?

NSN 5940-01-516-2972 has 2 cross-referenced part numbers: S51870-1 (SSD Drives Inc Formerly Eurotherm Drives Inc. Dba SSD Drives Inc.), 62102 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).

What NSN replaces 5940-01-516-2972?

There are 8 known substitutes for 5940-01-516-2972: 5305-00-021-0411, 5330-00-291-1554, 4810-01-225-6931 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S51870-1?

Key specifications for S51870-1: End Item Identification: ENCLOS ASSY U; Part Name Assigned by Controlling Agency: 2 BOWL DISTRIBUTOR BLOCK; Terminal Board Quantity Per Assembly: 2. 3 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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