PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6551Electron Tube

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5960-00-669-6810 · FSC 5960 · No Item Name Available
Verified by PartsTable
NSN 5960-00-669-6810 — this item is cataloged by the U.S. Government under National Stock Number 5960-00-669-6810. Primary manufacturer part number: 6551.
Features
  • Electron Tube — FSC 5960
  • Tube Type: MAGNETRON
  • Nondefinitive Spec/std Data: 6551 TYPE
  • 2 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 5960-00-669-6810, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5960-00-669-6810
Primary Part Number6551
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
Tube TypeMAGNETRON
Nondefinitive Spec/std Data6551 TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4310-00-120-00386551 INTERCHANGEABLE
Cup,bearing
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5365-00-200-6390A2094 INTERCHANGEABLE
Bushing,nonmetallic
H20 Tank Inc U S Motors Div
4730-00-231-5605 INTERCHANGEABLE
Elbow,pipe
1680-00-323-41966551C INTERCHANGEABLE
Cap,nibble Protecto
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
5120-00-542-2348 INTERCHANGEABLE
Tweezers,craftsman's
5950-00-583-091110-20076-2 INTERCHANGEABLE
Transformer,power Autotransforme
The Boeing Company Div Legacy Wichita
3110-00-606-1842LM11910 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5930-00-646-5596 INTERCHANGEABLE
Handle,switch
3455-01-110-3521 INTERCHANGEABLE
Reamer,machine
5120-01-176-38876551 INTERCHANGEABLE
Screwdriver Set,jeweler's,swivel
Central Tools, Inc.
Cross-Reference Index
Part NumberManufacturer
6551 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-E-1/848 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4310-00-120-0038INTERCHANGEABLE
CUP,BEARING
6551
5365-00-200-6390INTERCHANGEABLE
BUSHING,NONMETALLIC
A2094
4730-00-231-5605INTERCHANGEABLE
ELBOW,PIPE
1680-00-323-4196INTERCHANGEABLE
CAP,NIBBLE PROTECTO
6551C
5120-00-542-2348INTERCHANGEABLE
TWEEZERS,CRAFTSMAN'S
5950-00-583-0911INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
10-20076-2
3110-00-606-1842INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
LM11910
5930-00-646-5596INTERCHANGEABLE
HANDLE,SWITCH
3455-01-110-3521INTERCHANGEABLE
REAMER,MACHINE
5120-01-176-3887INTERCHANGEABLE
SCREWDRIVER SET,JEWELER'S,SWIVEL
6551
3530-01-176-9259INTERCHANGEABLE
NEEDLE,SEWING MACHINE
6551
5330-01-468-1217INTERCHANGEABLE
GASKET
6551

Frequently Asked Questions

What is NSN 5960-00-669-6810?

NSN 5960-00-669-6810 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 5960-00-669-6810?

NSN 5960-00-669-6810 has 2 cross-referenced part numbers: 6551 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-E-1/848 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5960-00-669-6810?

There are 12 known substitutes for 5960-00-669-6810: 4310-00-120-0038, 5365-00-200-6390, 4730-00-231-5605 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6551?

Key specifications for 6551: Tube Type: MAGNETRON; Nondefinitive Spec/std Data: 6551 TYPE. 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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