PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80TF27Semiconductor Devices,unitized

Trio Laboratories Inc · NSN 5961-00-405-0720 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-405-0720 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-405-0720. Primary manufacturer part number: 80TF27.
Features
  • Semiconductor Devices,unitized — FSC 5961
  • Function for Which Designed: VOLTAGE REGULATOR
  • Mounting Method: TERMINAL
  • Features Provided: W/HEAT SINK
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Component Name and Quantity: 2 SEMICONDUCTOR DEVICE DIODE
  • Material: PLASTIC ENCLOSURE
  • Terminal Type and Quantity: 4 UNINSULATED WIRE LEAD
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Semiconductor Devices,unitized, cataloged under National Stock Number 5961-00-405-0720, 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 Trio Laboratories Inc. Government technical data includes 7 verified specifications, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-405-0720
Primary Part Number80TF27
Item NameSemiconductor Devices,unitized
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTrio Laboratories Inc
StatusCANCELLED
Function for Which DesignedVOLTAGE REGULATOR
Mounting MethodTERMINAL
Features ProvidedW/HEAT SINK
Terminal Length1.000 INCHES MINIMUM IN
Component Name and Quantity2 SEMICONDUCTOR DEVICE DIODE
MaterialPLASTIC ENCLOSURE
Terminal Type and Quantity4 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5120-01-398-780100944336000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
Cross-Reference Index
Part NumberManufacturer
80TF27 Trio Laboratories Inc (USA)
44336 Hamilton Standard Electronics Systems Inc Tele-Dynamics Div (USA)
Related Parts
5120-01-398-7801INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00944336000

Frequently Asked Questions

What is NSN 5961-00-405-0720?

NSN 5961-00-405-0720 is a Semiconductor Devices,unitized, manufactured by Trio Laboratories Inc, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-405-0720?

NSN 5961-00-405-0720 has 2 cross-referenced part numbers: 80TF27 (Trio Laboratories Inc), 44336 (Hamilton Standard Electronics Systems Inc Tele-Dynamics Div).

What NSN replaces 5961-00-405-0720?

There is 1 known substitute for 5961-00-405-0720: 5120-01-398-7801. Verify interchangeability with system specifications before substitution.

What are the specifications of 80TF27?

Key specifications for 80TF27: Overall Height: 0.630 INCHES NOMINAL IN; Function for Which Designed: VOLTAGE REGULATOR; Overall Width: 1.500 INCHES NOMINAL IN; Mounting Method: TERMINAL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-405-0720 still in active supply?

NSN 5961-00-405-0720 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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