PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N173Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-00-845-8137 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-845-8137 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-845-8137. Primary manufacturer part number: 2N173.
Features
  • Transistor — FSC 5961
  • Internal Configuration: JUNCTION CONTACT
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Semiconductor Material: GERMANIUM
  • 2 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-845-8137, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-845-8137
Primary Part Number2N173
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
StatusACTIVE
Internal ConfigurationJUNCTION CONTACT
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Semiconductor MaterialGERMANIUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5961-00-044-5749 INTERCHANGEABLE
Transistor
5961-00-617-4345 INTERCHANGEABLE
Transistor
5961-00-617-5776 INTERCHANGEABLE
Transistor
5961-00-752-0655 INTERCHANGEABLE
Transistor
5961-00-752-0770 INTERCHANGEABLE
Transistor
5961-00-819-1611 INTERCHANGEABLE
Transistor
5961-00-882-5988 INTERCHANGEABLE
Transistor
5961-00-884-0755 INTERCHANGEABLE
Transistor
5961-00-892-0632 INTERCHANGEABLE
Transistor
5961-00-892-3322 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
2N173 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILT19500 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-044-5749INTERCHANGEABLE
TRANSISTOR
5961-00-617-4345INTERCHANGEABLE
TRANSISTOR
5961-00-617-5776INTERCHANGEABLE
TRANSISTOR
5961-00-752-0655INTERCHANGEABLE
TRANSISTOR
5961-00-752-0770INTERCHANGEABLE
TRANSISTOR
5961-00-819-1611INTERCHANGEABLE
TRANSISTOR
5961-00-882-5988INTERCHANGEABLE
TRANSISTOR
5961-00-884-0755INTERCHANGEABLE
TRANSISTOR
5961-00-892-0632INTERCHANGEABLE
TRANSISTOR
5961-00-892-3322INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-845-8137?

NSN 5961-00-845-8137 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: active.

What are the part numbers for NSN 5961-00-845-8137?

NSN 5961-00-845-8137 has 2 cross-referenced part numbers: 2N173 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILT19500 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-00-845-8137?

There are 10 known substitutes for 5961-00-845-8137: 5961-00-044-5749, 5961-00-617-4345, 5961-00-617-5776 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N173?

Key specifications for 2N173: Internal Configuration: JUNCTION CONTACT; Special Features: JUNCTION PATTERN ARRANGEMENT: PNP; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Semiconductor Material: GERMANIUM. 4 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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