PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N277Semiconductor Device,diode

Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp · NSN 5961-00-812-3574 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-812-3574 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-812-3574. Primary manufacturer part number: 1N277.
Features
  • Semiconductor Device,diode — FSC 5961
  • Material: GERMANIUM SEMICONDUCTOR
  • Material: GLASS ENCLOSURE
  • Mounting Method: TERMINAL
  • Power Rating Per Characteristic: 80.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
  • Terminal Length: 1.000 INCHES MINIMUM IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Current Rating Per Characteristic: 100.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Germanium Semiconductor construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-00-812-3574, 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 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-812-3574
Primary Part Number1N277
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerGilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp
StatusACTIVE
MaterialGERMANIUM SEMICONDUCTOR
MaterialGLASS ENCLOSURE
Mounting MethodTERMINAL
Power Rating Per Characteristic80.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Terminal Length1.000 INCHES MINIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic100.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
Overall Diameter0.085 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic125.0 MAXIMUM REVERSE VOLTAGE, PEAK
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5961-00-504-63571N277 INTERCHANGEABLE
Semiconductor Device,diode
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
5961-00-588-580380002-15 INTERCHANGEABLE
Semiconductor Device,diode
General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations
5961-00-669-6884 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-940-8567 INTERCHANGEABLE
Semiconductor Device,diode
5961-00-980-4394 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
1N277 Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp (USA)
Related Parts
5961-00-504-6357INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N277
5961-00-588-5803INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
80002-15
5961-00-669-6884INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-940-8567INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-00-980-4394INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-00-812-3574?

NSN 5961-00-812-3574 is a Semiconductor Device,diode, manufactured by Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-812-3574?

NSN 5961-00-812-3574 has 1 cross-referenced part number: 1N277 (Gilbert Engineering Co Inc/incon Sub of Transitron Electronic Corp).

What NSN replaces 5961-00-812-3574?

There are 5 known substitutes for 5961-00-812-3574: 5961-00-504-6357, 5961-00-588-5803, 5961-00-669-6884 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N277?

Key specifications for 1N277: Material: GERMANIUM SEMICONDUCTOR; Material: GLASS ENCLOSURE; Overall Length: 0.230 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN; Mounting Method: TERMINAL. 11 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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