PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1N4937Semiconductor Device,diode

Freescale Semiconductor, Inc. · NSN 5961-01-063-3213 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-063-3213 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-063-3213. Primary manufacturer part number: 1N4937.
Features
  • Semiconductor Device,diode — FSC 5961
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Material: SILICON SEMICONDUCTOR
  • Features Provided: HERMETICALLY SEALED CASE
  • Overall Diameter: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
  • Terminal Length: 1.100 INCHES MINIMUM IN
  • Mounting Method: TERMINAL
  • Maximum Operating Temp Per Measurement Point: 150.0 CELSIUS JUNCTION DEGC
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
  • Applications requiring Silicon Semiconductor construction
General Description

The Semiconductor Device,diode, cataloged under National Stock Number 5961-01-063-3213, 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 Freescale Semiconductor, Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-063-3213
Primary Part Number1N4937
Item NameSemiconductor Device,diode
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFreescale Semiconductor, Inc.
StatusACTIVE
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
MaterialSILICON SEMICONDUCTOR
Features ProvidedHERMETICALLY SEALED CASE
Overall Diameter0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
Terminal Length1.100 INCHES MINIMUM IN
Mounting MethodTERMINAL
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic50.00 MICROAMPERES MAXIMUM REVERSE CURRENT, DC
Terminal Circle Diameter0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5961-00-160-178710658371 INTERCHANGEABLE
Semiconductor Device,diode
Us Army Aviation and Missile Command
5961-00-160-1805 INTERCHANGEABLE
Semiconductor Device Set
5961-01-043-4780 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-107-6772 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-112-1828 INTERCHANGEABLE
Semiconductor Device,diode
5961-01-682-82081N4937 INTERCHANGEABLE
Semiconductor Device,diode
Vishay Dale Electronics, Llc Div Vishay Americas
Cross-Reference Index
Part NumberManufacturer
1N4937 Freescale Semiconductor, Inc. (USA)
D22-0007-006 L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
D22-0007-004 L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
1N4937 Electronic Industries Association
57110-0066-00 Concurrent Computer Corporation (USA)
Related Parts
5961-00-160-1787INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
10658371
5961-00-160-1805INTERCHANGEABLE
SEMICONDUCTOR DEVICE SET
5961-01-043-4780INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-107-6772INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-112-1828INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5961-01-682-8208INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N4937

Frequently Asked Questions

What is NSN 5961-01-063-3213?

NSN 5961-01-063-3213 is a Semiconductor Device,diode, manufactured by Freescale Semiconductor, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-063-3213?

NSN 5961-01-063-3213 has 5 cross-referenced part numbers: 1N4937 (Freescale Semiconductor, Inc.), D22-0007-006 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications), D22-0007-004 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications), 1N4937 (Electronic Industries Association), 57110-0066-00 (Concurrent Computer Corporation).

What NSN replaces 5961-01-063-3213?

There are 6 known substitutes for 5961-01-063-3213: 5961-00-160-1787, 5961-00-160-1805, 5961-01-043-4780 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1N4937?

Key specifications for 1N4937: Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD; Overall Length: 0.235 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Material: SILICON SEMICONDUCTOR; Features Provided: HERMETICALLY SEALED CASE. 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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