PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2251-20401-01Semiconductor Devices,unitized

Northrop Grumman Systems Corporation · NSN 5961-01-081-9938 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-081-9938 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-081-9938. Primary manufacturer part number: 2251-20401-01.
Features
  • Semiconductor Devices,unitized — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASE
  • 5 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Semiconductor Devices,unitized, cataloged under National Stock Number 5961-01-081-9938, 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 Systems Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-01-081-9938
Primary Part Number2251-20401-01
Item NameSemiconductor Devices,unitized
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusCANCELLED
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5961-00-099-4428N185916-3 INTERCHANGEABLE
Transistor
Safran Electrical & Power Uk Limited
5961-00-409-3636 INTERCHANGEABLE
Transistor
5961-00-482-6752 INTERCHANGEABLE
Transistor
5961-00-765-6071Q0174 INTERCHANGEABLE
Transistor
Emcore Corporation Div Concord Division
5961-00-781-5899 INTERCHANGEABLE
Transistor
5961-00-913-1747 INTERCHANGEABLE
Transistor
5961-00-925-3777 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N2907 Fairchild Semiconductor Corp Semiconductor Div Hq (USA)
1906-0075 Avago Technologies Us Inc Div Avago Technologies (USA)
1906-0075 Hewlett-Packard Company Dba HP (USA)
2251-20401-01 PRIMARY Northrop Grumman Systems Corporation (USA)
1906-0075 Texas Instruments Incorporated (USA)
Related Parts
5961-00-099-4428INTERCHANGEABLE
TRANSISTOR
N185916-3
5961-00-409-3636INTERCHANGEABLE
TRANSISTOR
5961-00-482-6752INTERCHANGEABLE
TRANSISTOR
5961-00-765-6071INTERCHANGEABLE
TRANSISTOR
Q0174
5961-00-781-5899INTERCHANGEABLE
TRANSISTOR
5961-00-913-1747INTERCHANGEABLE
TRANSISTOR
5961-00-925-3777INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-081-9938?

NSN 5961-01-081-9938 is a Semiconductor Devices,unitized, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-01-081-9938?

NSN 5961-01-081-9938 has 5 cross-referenced part numbers: 2N2907 (Fairchild Semiconductor Corp Semiconductor Div Hq), 1906-0075 (Avago Technologies Us Inc Div Avago Technologies), 1906-0075 (Hewlett-Packard Company Dba HP), 2251-20401-01 (Northrop Grumman Systems Corporation), 1906-0075 (Texas Instruments Incorporated).

What NSN replaces 5961-01-081-9938?

There are 7 known substitutes for 5961-01-081-9938: 5961-00-099-4428, 5961-00-409-3636, 5961-00-482-6752 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2251-20401-01?

Key specifications for 2251-20401-01: Features Provided: HERMETICALLY SEALED CASE. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-01-081-9938 still in active supply?

NSN 5961-01-081-9938 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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