PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21M65P31MElectron Tube

Thomas Electronics, Inc · NSN 5960-00-170-2521 · FSC 5960 · No Item Name Available
Verified by PartsTable
NSN 5960-00-170-2521 — this item is cataloged by the U.S. Government under National Stock Number 5960-00-170-2521. Primary manufacturer part number: 21M65P31M.
Features
  • Electron Tube — FSC 5960
  • Tube Type: CATHODE RAY
  • 4 verified cross-references
  • Primary manufacturer: Thomas Electronics, Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Electron Tube, cataloged under National Stock Number 5960-00-170-2521, 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 Thomas Electronics, Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN5960-00-170-2521
Primary Part Number21M65P31M
Item NameElectron Tube
FSC / FSG5960 / 59 — No Item Name Available
ManufacturerThomas Electronics, Inc
StatusACTIVE
Tube TypeCATHODE RAY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-244-5390105002 INTERCHANGEABLE
Clip,electrical
Littelfuse, Inc.
5960-00-264-4446 INTERCHANGEABLE
Shield,electron Tube
5835-00-660-4522 INTERCHANGEABLE
Reel,magnetic Recording Tape
8040-00-779-286310-5002 INTERCHANGEABLE
Adhesive
Gc/waldom Inc
4935-00-980-046210500-2 INTERCHANGEABLE
Reel
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
2520-01-041-2701105002 INTERCHANGEABLE
Clutch Half,positive,vehicular
Star Industries Inc
3441-01-151-8688105002 INTERCHANGEABLE
Squaring and Deburr
Phi
5970-01-192-9846TW-096-136-040-T INTERCHANGEABLE
Insulator,bushing
The Delbert Blinn Co Inc
5315-01-288-4465105-002 INTERCHANGEABLE
Pin,straight,headless
Cooper Machinery Services Llc
3040-01-387-501910-5002 ITEM NO.8 INTERCHANGEABLE
Shaft,shouldered
L3 Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
21M65P31M Thomas Electronics, Inc (USA)
105-002 L-3 Communications Corporation Dba Global Network Solutions Div Aydin Communications Division (USA)
21M65P31M Thomas Electronics, Inc. Div Thomas Electronics, Nj (USA)
105-002 Aydin Corp Aydin Controls Div (USA)
Related Parts
5999-00-244-5390INTERCHANGEABLE
CLIP,ELECTRICAL
105002
5960-00-264-4446INTERCHANGEABLE
SHIELD,ELECTRON TUBE
5835-00-660-4522INTERCHANGEABLE
REEL,MAGNETIC RECORDING TAPE
8040-00-779-2863INTERCHANGEABLE
ADHESIVE
10-5002
4935-00-980-0462INTERCHANGEABLE
REEL
10500-2
2520-01-041-2701INTERCHANGEABLE
CLUTCH HALF,POSITIVE,VEHICULAR
105002
3441-01-151-8688INTERCHANGEABLE
SQUARING AND DEBURR
105002
5970-01-192-9846INTERCHANGEABLE
INSULATOR,BUSHING
TW-096-136-040-T
5315-01-288-4465INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
105-002
3040-01-387-5019INTERCHANGEABLE
SHAFT,SHOULDERED
10-5002 ITEM NO.8
3040-01-387-5206INTERCHANGEABLE
COLLAR,SHAFT
6320-01-388-3122INTERCHANGEABLE
INDICATOR,ANGLE

Frequently Asked Questions

What is NSN 5960-00-170-2521?

NSN 5960-00-170-2521 is a Electron Tube, manufactured by Thomas Electronics, Inc, classified under FSC 5960 (No Item Name Available). Status: active.

What are the part numbers for NSN 5960-00-170-2521?

NSN 5960-00-170-2521 has 4 cross-referenced part numbers: 21M65P31M (Thomas Electronics, Inc), 105-002 (L-3 Communications Corporation Dba Global Network Solutions Div Aydin Communications Division), 21M65P31M (Thomas Electronics, Inc. Div Thomas Electronics, Nj), 105-002 (Aydin Corp Aydin Controls Div).

What NSN replaces 5960-00-170-2521?

There are 12 known substitutes for 5960-00-170-2521: 5999-00-244-5390, 5960-00-264-4446, 5835-00-660-4522 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21M65P31M?

Key specifications for 21M65P31M: Tube Type: CATHODE RAY. 1 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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