PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8166-4-1000AElectron Tube

Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations · NSN 5960-00-189-5968 · FSC 5960 · No Item Name Available
Verified by PartsTable
NSN 5960-00-189-5968 — this item is cataloged by the U.S. Government under National Stock Number 5960-00-189-5968. Primary manufacturer part number: 8166-4-1000A.
Features
  • Electron Tube — FSC 5960
  • Nondefinitive Spec/std Data: 8166/4-1000A TYPE A
  • Tube Type: TETRODE
  • 5 verified cross-references
  • Primary manufacturer: Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Electron Tube, cataloged under National Stock Number 5960-00-189-5968, is classified within Federal Supply Class 5960 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations. Government technical data includes 2 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5960-00-189-5968
Primary Part Number8166-4-1000A
Item NameElectron Tube
FSC / FSG5960 / 59 — No Item Name Available
ManufacturerCommunications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations
StatusACTIVE
Nondefinitive Spec/std Data8166/4-1000A TYPE A
Tube TypeTETRODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5915-00-167-4877 INTERCHANGEABLE
Filter,line
5310-00-290-14317520426 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
3120-00-517-83221537959-1 INTERCHANGEABLE
Bearing,sleeve
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5960-00-958-9147 INTERCHANGEABLE
Electron Tube
Cross-Reference Index
Part NumberManufacturer
8166-4-1000A Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations (USA)
A3047 Aeronautical Communications Equipment Inc (USA)
8166-4-1000A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILE1-37 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-1/37 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5915-00-167-4877INTERCHANGEABLE
FILTER,LINE
5310-00-290-1431INTERCHANGEABLE
WASHER,FLAT
7520426
3120-00-517-8322INTERCHANGEABLE
BEARING,SLEEVE
1537959-1
5960-00-958-9147INTERCHANGEABLE
ELECTRON TUBE

Frequently Asked Questions

What is NSN 5960-00-189-5968?

NSN 5960-00-189-5968 is a Electron Tube, manufactured by Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations, classified under FSC 5960 (No Item Name Available). Status: active.

What are the part numbers for NSN 5960-00-189-5968?

NSN 5960-00-189-5968 has 5 cross-referenced part numbers: 8166-4-1000A (Communications & Power Industries Llc Dba Cpi Div Microwave Power Products Division - Eimac Operations), A3047 (Aeronautical Communications Equipment Inc), 8166-4-1000A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILE1-37 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-1/37 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5960-00-189-5968?

There are 4 known substitutes for 5960-00-189-5968: 5915-00-167-4877, 5310-00-290-1431, 3120-00-517-8322 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8166-4-1000A?

Key specifications for 8166-4-1000A: Nondefinitive Spec/std Data: 8166/4-1000A TYPE A; Tube Type: TETRODE. 2 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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