PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N2553Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-00-776-0964 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-776-0964 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-776-0964. Primary manufacturer part number: 2N2553.
Features
  • Transistor — FSC 5961
  • Nominal Thread Size: 0.190 INCHES IN
  • Semiconductor Material: GERMANIUM
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Thread Series Designator: UNF
  • Internal Configuration: JUNCTION CONTACT
  • Mounting Facility Quantity: 1
  • Terminal Length: 1.500 INCHES MINIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-776-0964, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-776-0964
Primary Part Number2N2553
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Nominal Thread Size0.190 INCHES IN
Semiconductor MaterialGERMANIUM
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Thread Series DesignatorUNF
Internal ConfigurationJUNCTION CONTACT
Mounting Facility Quantity1
Terminal Length1.500 INCHES MINIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Mounting MethodTHREADED STUD(S)
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Maximum Operating Temp Per Measurement Point100.0 CELSIUS JUNCTION DEGC
Power Rating Per Characteristic20.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Voltage Rating in Volts Per Characteristic-60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND -40.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC AND -20.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5961-00-052-8556 INTERCHANGEABLE
Transistor
5961-00-082-4137 INTERCHANGEABLE
Transistor
5961-00-813-34682N1039-1 INTERCHANGEABLE
Transistor
Texas Instruments Incorporated
5961-00-821-8977 INTERCHANGEABLE
Transistor
5961-00-851-8293 INTERCHANGEABLE
Transistor
5961-00-881-0335 INTERCHANGEABLE
Transistor
5961-00-941-1914 INTERCHANGEABLE
Transistor
5961-00-957-9748 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N2553 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/89 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5961PL1382092 Jednolity Indeks Materialowy - Uniform Material Index (POL)
JAN2N2553 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N1039-1 Ampex Data Systems Corporation Dba Ampex Intelligent Systems (USA)
Related Parts
5961-00-052-8556INTERCHANGEABLE
TRANSISTOR
5961-00-082-4137INTERCHANGEABLE
TRANSISTOR
5961-00-813-3468INTERCHANGEABLE
TRANSISTOR
2N1039-1
5961-00-821-8977INTERCHANGEABLE
TRANSISTOR
5961-00-851-8293INTERCHANGEABLE
TRANSISTOR
5961-00-881-0335INTERCHANGEABLE
TRANSISTOR
5961-00-941-1914INTERCHANGEABLE
TRANSISTOR
5961-00-957-9748INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-776-0964?

NSN 5961-00-776-0964 is a Transistor, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-776-0964?

NSN 5961-00-776-0964 has 5 cross-referenced part numbers: 2N2553 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/89 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 5961PL1382092 (Jednolity Indeks Materialowy - Uniform Material Index), JAN2N2553 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2N1039-1 (Ampex Data Systems Corporation Dba Ampex Intelligent Systems).

What NSN replaces 5961-00-776-0964?

There are 8 known substitutes for 5961-00-776-0964: 5961-00-052-8556, 5961-00-082-4137, 5961-00-813-3468 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N2553?

Key specifications for 2N2553: Nominal Thread Size: 0.190 INCHES IN; Semiconductor Material: GERMANIUM; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Thread Series Designator: UNF. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-776-0964 still in active supply?

NSN 5961-00-776-0964 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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