PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41-3002Block,telephone Protector

Northern Telecom Inc Telecom Distribution Div · NSN 5920-00-819-4266 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-819-4266 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-819-4266. Primary manufacturer part number: 41-3002.
Features
  • Block,telephone Protector — FSC 5920
  • Shape: RECTANGULAR
  • Circuit Protector Block Location: GROUND SIDE
  • Material: CARBON
  • Overall Thickness: 0.120 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Northern Telecom Inc Telecom Distribution Div
Applications
  • Applications requiring Carbon construction
General Description

The Block,telephone Protector, cataloged under National Stock Number 5920-00-819-4266, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Northern Telecom Inc Telecom Distribution Div. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-819-4266
Primary Part Number41-3002
Item NameBlock,telephone Protector
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerNorthern Telecom Inc Telecom Distribution Div
StatusCANCELLED
ShapeRECTANGULAR
Circuit Protector Block LocationGROUND SIDE
MaterialCARBON
Overall Thickness0.120 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5920-00-221-4522G33P5008 INTERCHANGEABLE
Fuse,cartridge
Cardwell Condenser Corp Lapointe-Admiral Div
5340-01-391-4498413002 INTERCHANGEABLE
Grille,metal
Trans Air Manufacturing Corporation Div Trans/air Mfg.
Cross-Reference Index
Part NumberManufacturer
41-3002 Northern Telecom Inc Telecom Distribution Div (USA)
Related Parts
5920-00-221-4522INTERCHANGEABLE
FUSE,CARTRIDGE
G33P5008
5340-01-391-4498INTERCHANGEABLE
GRILLE,METAL
413002

Frequently Asked Questions

What is NSN 5920-00-819-4266?

NSN 5920-00-819-4266 is a Block,telephone Protector, manufactured by Northern Telecom Inc Telecom Distribution Div, classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-819-4266?

NSN 5920-00-819-4266 has 1 cross-referenced part number: 41-3002 (Northern Telecom Inc Telecom Distribution Div).

What NSN replaces 5920-00-819-4266?

There are 2 known substitutes for 5920-00-819-4266: 5920-00-221-4522, 5340-01-391-4498. Verify interchangeability with system specifications before substitution.

What are the specifications of 41-3002?

Key specifications for 41-3002: Overall Width: 0.370 INCHES NOMINAL IN; Shape: RECTANGULAR; Circuit Protector Block Location: GROUND SIDE; Material: CARBON. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-819-4266 still in active supply?

NSN 5920-00-819-4266 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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