PartsTable TECHNICAL DATA SHEET
SEPTEMBER 2026Technical Data Sheet

55C60BSemiconductor Device,thyristor

Fmc Technologies Inc Div Material Handling Solutions · NSN 5961-00-125-1253 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-125-1253 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-125-1253. Primary manufacturer part number: 55C60B.
Features
  • Semiconductor Device,thyristor — FSC 5961
  • Unable to Decode: UNABLE TO DECODE
  • Terminal Type and Quantity: 1 TAB, SOLDER LUG AND 2 UNINSULATED WIRE LEAD W/TERMINAL LUG
  • Semiconductor Material: SILICON
  • Internal Configuration: JUNCTION CONTACT
  • Features Provided: HERMETICALLY SEALED CASE
  • Overall Width Across Flats: 1.062 INCHES NOMINAL IN
  • Mounting Method: THREADED STUD(S)
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Device,thyristor, cataloged under National Stock Number 5961-00-125-1253, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Fmc Technologies Inc Div Material Handling Solutions. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the government interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-125-1253
Primary Part Number55C60B
Item NameSemiconductor Device,thyristor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFmc Technologies Inc Div Material Handling Solutions
StatusACTIVE
Unable to DecodeUNABLE TO DECODE
Terminal Type and Quantity1 TAB, SOLDER LUG AND 2 UNINSULATED WIRE LEAD W/TERMINAL LUG
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT
Features ProvidedHERMETICALLY SEALED CASE
Overall Width Across Flats1.062 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S)
Mounting Facility Quantity1
Nominal Thread Size0.500 INCHES IN
Electrode Internally-Electrically Connected to CaseANODE
Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 1
2810-00-118-2995134914 INTERCHANGEABLE
Support Assembly,drive Shaft
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
55C60B PRIMARY Fmc Technologies Inc Div Material Handling Solutions (USA)
D277AM Fmc Technologies Inc Div Material Handling Solutions (USA)
1349-14 Regulators Products Group of Ward Leonard Electric Co Inc (USA)
803005-0-274 Electric Boat Corp Dba Electro Dynamic (USA)
Related Parts
2810-00-118-2995INTERCHANGEABLE
SUPPORT ASSEMBLY,DRIVE SHAFT
134914

Frequently Asked Questions

What is NSN 5961-00-125-1253?

NSN 5961-00-125-1253 is a Semiconductor Device,thyristor, manufactured by Fmc Technologies Inc Div Material Handling Solutions, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-125-1253?

NSN 5961-00-125-1253 has 4 cross-referenced part numbers: 55C60B (Fmc Technologies Inc Div Material Handling Solutions), D277AM (Fmc Technologies Inc Div Material Handling Solutions), 1349-14 (Regulators Products Group of Ward Leonard Electric Co Inc), 803005-0-274 (Electric Boat Corp Dba Electro Dynamic).

What NSN replaces 5961-00-125-1253?

There is 1 known substitute for 5961-00-125-1253: 2810-00-118-2995. Verify interchangeability with system specifications before substitution.

What are the specifications of 55C60B?

Key specifications for 55C60B: Unable to Decode: UNABLE TO DECODE; Overall Length: 8.187 INCHES NOMINAL IN; Terminal Type and Quantity: 1 TAB, SOLDER LUG AND 2 UNINSULATED WIRE LEAD W/TERMINAL LUG; Semiconductor Material: SILICON. 13 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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