PartsTable TECHNICAL DATA SHEET
NSN 5961-01-256-6744Government record, cited

Semiconductor Device, Diode5961-01-256-6744

NSN 5961-01-256-6744 · NIIN 012566744 · Part number LO3744
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · FSC 5961 — Semiconductor Devices and Associated Hardware · FSG 59 — Electrical and Electronic Equipment Components · CAGE 16236
Government record, cited
NSN 5961-01-256-6744 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-256-6744. Manufacturer of record part number: LO3744.
Also searched as  5961-01-256-6744 · 5961012566744 · NIIN 012566744 · 01-256-6744 · FSC 5961 Semiconductor Devices and Associated Hardware · CAGE 16236 · LO3744 · 124448NPP
Nearby stock numbers  ·
Features
  • Semiconductor Device,diode — FSC 5961
  • Voltage Rating in Volts Per Characteristic: 40.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE
  • Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS JUNCTION DEGC
  • Mounting Facility Quantity: 1
  • Mounting Method: THREADED STUD(S)
  • Criticality Code Justification: ZZZY
  • Features Provided: HERMETICALLY SEALED CASE
  • Overall Width Across Flats: 0.437 INCHES MAXIMUM IN
Identification
  • NSN: 5961-01-256-6744
  • NIIN: 012566744
  • FSC: 5961 — Semiconductor Devices and Associated Hardware
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: LO3744
  • Manufacturer: Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-256-6744, is classified within Federal Supply Class 5961 (Semiconductor Devices and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-256-6744
Primary Part NumberLO3744
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — Semiconductor Devices and Associated Hardware
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
Voltage Rating in Volts Per Characteristic40.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE
Maximum Operating Temp Per Measurement Point125.0 CELSIUS JUNCTION DEGC
Mounting Facility Quantity1
Mounting MethodTHREADED STUD(S)
Criticality Code JustificationZZZY
Features ProvidedHERMETICALLY SEALED CASE
Overall Width Across Flats0.437 INCHES MAXIMUM IN
Nominal Thread Size0.190 INCHES IN
Current Rating Per Characteristic25.00 AMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE
MaterialSILICON SEMICONDUCTOR
Terminal Type and Quantity1 TAB, SOLDER LUG AND 1 THREADED STUD
Thread Series DesignatorUNF
Reference Number Differentiating CharacteristicsREFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeY
Cross-Reference Index
Part NumberManufacturer
LO3744 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
Reference documents
ReferenceMeaning
124448NPP 3/1 Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 5961 — Semiconductor Devices and Associated Hardware
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5961-00-000-0150
RECTIFIER,SEMICONDUCTOR DEVICE,U
5961-00-000-4541
5961-00-000-4541 · Item name not on file
5961-00-000-5400
5961-00-000-5400 · Item name not on file
5961-00-000-7614
5961-00-000-7614 · Item name not on file
5961-00-000-8760
5961-00-000-8760 · Item name not on file
5961-00-001-1352
5961-00-001-1352 · Item name not on file
5961-00-001-2624
5961-00-001-2624 · Item name not on file
5961-00-001-2978
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 5961-01-256-6744?

NSN 5961-01-256-6744 is a Semiconductor Device,diode, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 5961, Semiconductor Devices and Associated Hardware. Status: active.

What part numbers are listed for NSN 5961-01-256-6744?

NSN 5961-01-256-6744 has 1 manufacturer part number on file: LO3744 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).

What are the specifications of LO3744?

Key specifications for LO3744: Voltage Rating in Volts Per Characteristic: 40.0 MAXIMUM REPETITIVE PEAK REVERSE VOLTAGE; Maximum Operating Temp Per Measurement Point: 125.0 CELSIUS JUNCTION DEGC; Mounting Facility Quantity: 1; Mounting Method: THREADED STUD(S). 14 specifications are documented in the U.S. Government catalog.

Is NSN 5961-01-256-6744 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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