PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21181-1Transistor

Northrop Grumman Corp Precision Products Plant · NSN 5961-00-892-0773 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-892-0773 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-892-0773. Primary manufacturer part number: 21181-1.
Features
  • Transistor — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASE
  • Departure From Cited Designator: N/A
  • Internal Configuration: JUNCTION CONTACT
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Internal Junction Configuration: PNP
  • Semiconductor Material: GERMANIUM
  • Reference Number Differentiating Characteristics: QUALITY CONTROLLED FOR POLARIS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-892-0773, 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 Northrop Grumman Corp Precision Products Plant. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-892-0773
Primary Part Number21181-1
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Corp Precision Products Plant
StatusACTIVE
Features ProvidedHERMETICALLY SEALED CASE
Departure From Cited DesignatorN/A
Internal ConfigurationJUNCTION CONTACT
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Internal Junction ConfigurationPNP
Semiconductor MaterialGERMANIUM
Reference Number Differentiating CharacteristicsQUALITY CONTROLLED FOR POLARIS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-032-7954211811 INTERCHANGEABLE
Reducer,tube
Hydro-Aire Aerospace Corp
5961-00-053-895010131679 INTERCHANGEABLE
Transistor
Us Army Aviation and Missile Command
5961-00-139-998312045-0071 INTERCHANGEABLE
Transistor
Honeywell International Inc Dba Honeywell
5961-00-542-70182088262-2 INTERCHANGEABLE
Transistor
Honeywell International Inc Dba Honeywell
Cross-Reference Index
Part NumberManufacturer
21181-1 Northrop Grumman Corp Precision Products Plant (USA)
2N525 General Electric Co Accessary Equipment Opn (USA)
2N525 General Electric Company (USA)
Related Parts
4730-00-032-7954INTERCHANGEABLE
REDUCER,TUBE
211811
5961-00-053-8950INTERCHANGEABLE
TRANSISTOR
10131679
5961-00-139-9983INTERCHANGEABLE
TRANSISTOR
12045-0071
5961-00-542-7018INTERCHANGEABLE
TRANSISTOR
2088262-2

Frequently Asked Questions

What is NSN 5961-00-892-0773?

NSN 5961-00-892-0773 is a Transistor, manufactured by Northrop Grumman Corp Precision Products Plant, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-892-0773?

NSN 5961-00-892-0773 has 3 cross-referenced part numbers: 21181-1 (Northrop Grumman Corp Precision Products Plant), 2N525 (General Electric Co Accessary Equipment Opn), 2N525 (General Electric Company).

What NSN replaces 5961-00-892-0773?

There are 4 known substitutes for 5961-00-892-0773: 4730-00-032-7954, 5961-00-053-8950, 5961-00-139-9983 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21181-1?

Key specifications for 21181-1: Features Provided: HERMETICALLY SEALED CASE; Departure From Cited Designator: N/A; Internal Configuration: JUNCTION CONTACT; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD. 7 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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