PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10049903-4Transistor

Us Army Aviation and Missile Command · NSN 5961-00-968-7499 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-968-7499 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-968-7499. Primary manufacturer part number: 10049903-4.
Features
  • Transistor — FSC 5961
  • Mounting Facility Quantity: 1
  • Internal Configuration: JUNCTION CONTACT
  • Features Provided: HERMETICALLY SEALED CASE
  • Overall Diameter: 1.250 INCHES MAXIMUM IN
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Nominal Thread Size: 0.190 INCHES IN
  • Thread Series Designator: UNF
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-968-7499, 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 Us Army Aviation and Missile Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-968-7499
Primary Part Number10049903-4
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Mounting Facility Quantity1
Internal ConfigurationJUNCTION CONTACT
Features ProvidedHERMETICALLY SEALED CASE
Overall Diameter1.250 INCHES MAXIMUM IN
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Nominal Thread Size0.190 INCHES IN
Thread Series DesignatorUNF
Semiconductor MaterialGERMANIUM
Mounting MethodTHREADED STUD(S)
Terminal Type and Quantity2 PIN AND 1 THREADED STUD
Power Rating Per Characteristic30.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Current Rating Per Characteristic15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Maximum Operating Temp Per Measurement Point100.0 CELSIUS JUNCTION DEGC
Voltage Rating in Volts Per Characteristic40.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND 20.0 MAXIMUM EMITTER TO BASE VOLTAGE, DC AND 20.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-044-5749 INTERCHANGEABLE
Transistor
5961-00-054-75859157658 INTERCHANGEABLE
Transistor
Us Army Aviation and Missile Command
5961-00-686-7133 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
32N277 Glover Webb Ltd (GBR)
10049903-4 PRIMARY Us Army Aviation and Missile Command (USA)
32N277 Alvis Vehicles Ltd (GBR)
2N277 Semitronics Corp (USA)
10049903-4 Freescale Semiconductor, Inc. (USA)
2N277 Gpd Optoelectronics Corp. Div Gpd Optoelectronics (USA)
Related Parts
5961-00-044-5749INTERCHANGEABLE
TRANSISTOR
5961-00-054-7585INTERCHANGEABLE
TRANSISTOR
9157658
5961-00-686-7133INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-968-7499?

NSN 5961-00-968-7499 is a Transistor, manufactured by Us Army Aviation and Missile Command, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-968-7499?

NSN 5961-00-968-7499 has 6 cross-referenced part numbers: 32N277 (Glover Webb Ltd), 10049903-4 (Us Army Aviation and Missile Command), 32N277 (Alvis Vehicles Ltd), 2N277 (Semitronics Corp), 10049903-4 (Freescale Semiconductor, Inc.) and 1 more.

What NSN replaces 5961-00-968-7499?

There are 3 known substitutes for 5961-00-968-7499: 5961-00-044-5749, 5961-00-054-7585, 5961-00-686-7133. Verify interchangeability with system specifications before substitution.

What are the specifications of 10049903-4?

Key specifications for 10049903-4: Mounting Facility Quantity: 1; Special Features: JUNCTION PATTERN ARRANGEMENT: PNP; Internal Configuration: JUNCTION CONTACT; Features Provided: HERMETICALLY SEALED CASE. 16 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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