PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-1/1661Electron Tube

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5960-00-179-4746 · FSC 5960 · No Item Name Available
Verified by PartsTable
NSN 5960-00-179-4746 — this item is cataloged by the U.S. Government under National Stock Number 5960-00-179-4746. Primary manufacturer part number: MIL-PRF-1/1661.
Features
  • Electron Tube — FSC 5960
  • Nondefinitive Spec/std Data: NO. 8765 TYPE
  • Tube Type: THYRATRON
  • 3 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Electron Tube, cataloged under National Stock Number 5960-00-179-4746, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5960-00-179-4746
Primary Part NumberMIL-PRF-1/1661
Item NameElectron Tube
FSC / FSG5960 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Nondefinitive Spec/std DataNO. 8765 TYPE
Tube TypeTHYRATRON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6145-00-081-1049 INTERCHANGEABLE
Cable,special Purpose,electrical
6250-00-283-93834077 INTERCHANGEABLE
Lampholder
Westinghouse Electric Corp
4730-00-293-3657 INTERCHANGEABLE
Strainer,sediment
5310-01-059-75108765 INTERCHANGEABLE
Nut,plain,round
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5962-01-342-71358765 INTERCHANGEABLE
Microcircuit,memory
Data General Corporation
4820-01-422-40938765-5 INTERCHANGEABLE
Disk,valve
William E Williams Valve Corp
4820-01-422-40968765 1-1/2IN INTERCHANGEABLE
Valve,globe
William E Williams Valve Corp
1095-01-535-57438765 INTERCHANGEABLE
Knife,combat
Ontario Knife Company, the Dba Ontario Knife Company
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-1/1661 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
8765 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILE1-1661 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6145-00-081-1049INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
6250-00-283-9383INTERCHANGEABLE
LAMPHOLDER
4077
4730-00-293-3657INTERCHANGEABLE
STRAINER,SEDIMENT
5310-01-059-7510INTERCHANGEABLE
NUT,PLAIN,ROUND
8765
5962-01-342-7135INTERCHANGEABLE
MICROCIRCUIT,MEMORY
8765
4820-01-422-4093INTERCHANGEABLE
DISK,VALVE
8765-5
4820-01-422-4096INTERCHANGEABLE
VALVE,GLOBE
8765 1-1/2IN
1095-01-535-5743INTERCHANGEABLE
KNIFE,COMBAT
8765

Frequently Asked Questions

What is NSN 5960-00-179-4746?

NSN 5960-00-179-4746 is a Electron Tube, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5960 (No Item Name Available). Status: active.

What are the part numbers for NSN 5960-00-179-4746?

NSN 5960-00-179-4746 has 3 cross-referenced part numbers: MIL-PRF-1/1661 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 8765 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILE1-1661 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5960-00-179-4746?

There are 8 known substitutes for 5960-00-179-4746: 6145-00-081-1049, 6250-00-283-9383, 4730-00-293-3657 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-1/1661?

Key specifications for MIL-PRF-1/1661: Nondefinitive Spec/std Data: NO. 8765 TYPE; Tube Type: THYRATRON; Special Features: ENVELOPE MATERIAL: CERAMIC. 3 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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