PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

340066Fuseholder,extractor Post

Littelfuse, Inc. · NSN 5920-00-284-7780 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-284-7780 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-284-7780. Primary manufacturer part number: 340066.
Features
  • Fuseholder,extractor Post — FSC 5920
  • Fuse Terminal Type Accommodated: FERRULE
  • Accommodated Fuse Length: 1.250 INCHES NOMINAL IN
  • Accommodated Ferrule Diameter: 0.250 INCHES NOMINAL IN
  • Fuse Accommodation Quantity: 1
  • Material: COPPER ALLOY CONTACT
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG
  • Bushing Diameter: 0.500 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Fuseholder,extractor Post, cataloged under National Stock Number 5920-00-284-7780, 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 Littelfuse, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 33 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-284-7780
Primary Part Number340066
Item NameFuseholder,extractor Post
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusCANCELLED
Fuse Terminal Type AccommodatedFERRULE
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Fuse Accommodation Quantity1
MaterialCOPPER ALLOY CONTACT
Terminal Type and Quantity2 TAB, SOLDER LUG
Bushing Diameter0.500 INCHES NOMINAL IN
Overall Diameter0.688 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5920-00-051-9742HKP INTERCHANGEABLE
Fuseholder,extractor Post
Cooper Bussmann, Llc Dba Cooper Industries
5999-00-068-1987501-000 INTERCHANGEABLE
Mounting Pad,electrical-Electron
The Delbert Blinn Co Inc
2810-00-118-367232205 INTERCHANGEABLE
Coupling
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5920-00-138-1799342014A INTERCHANGEABLE
Fuseholder,extractor Post
Littelfuse, Inc.
3110-00-142-4361395S INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3110-00-144-851212Z315-101 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4310-00-195-57148170 INTERCHANGEABLE
Ring Set,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5940-00-204-8233 INTERCHANGEABLE
Terminal Board
5920-00-213-3810 INTERCHANGEABLE
Fuseholder,extractor Post
3455-00-222-922111670 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
Cross-Reference Index
Part NumberManufacturer
KS5842L02 American Telephone and Telegraph Co (USA)
P250A8041 Mutron Corp (USA)
17000 James Walker & Co Ltd (GBR)
7115179P1 General Electric Company (USA)
7115179PT1 General Electric Company (USA)
KS5842HKPE American Telephone and Telegraph Co (USA)
32-205 Espey Mfg and Electronics Corp (USA)
340066 PRIMARY Littelfuse, Inc. (USA)
24555 PRIMARY Telephonics Corp/prd Instruments (USA)
8170-1G Cessna Aircraft Co Arc Avionics Div (USA)
A02315-2 Rosen Raymond and Co (USA)
93677 Agilent Technologies Inc. Div Power Products Site (USA)
HKP8 PRIMARY Cooper Bussmann, Llc Dba Cooper Industries (USA)
PB52854-3 PRIMARY Honeywell Intl Inc Defense Avionics Systems (USA)
7115179-1 General Electric Company (USA)
32R192 Espey Mfg and Electronics Corp (USA)
128008 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
1JA7500-1 PRIMARY Westinghouse Electric Corp (USA)
7129771P2 General Electric Company (USA)
522B3E Thales Deutschland Gmbh Div Customer Services (DEU)
Related Parts
5920-00-051-9742INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
HKP
5999-00-068-1987INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
501-000
2810-00-118-3672INTERCHANGEABLE
COUPLING
32205
5920-00-138-1799INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
342014A
3110-00-142-4361INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
395S
3110-00-144-8512INTERCHANGEABLE
BEARING,BALL,ANNULAR
12Z315-101
4310-00-195-5714INTERCHANGEABLE
RING SET,PISTON
8170
5940-00-204-8233INTERCHANGEABLE
TERMINAL BOARD
5920-00-213-3810INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
3455-00-222-9221INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11670
5950-00-231-9803INTERCHANGEABLE
COIL,ELECTRICAL
6404
5310-00-281-8319INTERCHANGEABLE
WASHER,FLAT
27088H

Frequently Asked Questions

What is NSN 5920-00-284-7780?

NSN 5920-00-284-7780 is a Fuseholder,extractor Post, manufactured by Littelfuse, Inc., classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-284-7780?

NSN 5920-00-284-7780 has 50 cross-referenced part numbers: KS5842L02 (American Telephone and Telegraph Co), P250A8041 (Mutron Corp), 17000 (James Walker & Co Ltd), 7115179P1 (General Electric Company), 7115179PT1 (General Electric Company) and 45 more.

What NSN replaces 5920-00-284-7780?

There are 12 known substitutes for 5920-00-284-7780: 5920-00-051-9742, 5999-00-068-1987, 2810-00-118-3672 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 340066?

Key specifications for 340066: Fuse Terminal Type Accommodated: FERRULE; Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Accommodated Ferrule Diameter: 0.250 INCHES NOMINAL IN; Fuse Accommodation Quantity: 1. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-284-7780 still in active supply?

NSN 5920-00-284-7780 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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