PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

342004Fuseholder,extractor Post

Littelfuse, Inc. · NSN 5920-01-257-8611 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-257-8611 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-257-8611. Primary manufacturer part number: 342004.
Features
  • Fuseholder,extractor Post — FSC 5920
  • Mounting Hole Style: BUSHING MOUNTING
  • Terminal Type and Quantity: 2 TAB, SOLDER LUG
  • Fuse Terminal Type Accommodated: FERRULE
  • Surface Treatment: TIN CONTACT
  • Flatted Side Bushing Hole Length: 0.475 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN
  • Environmental Protection: VIBRATION PROOF
  • Fragility Factor: MODERATELY DELICATE
Applications
  • Applications requiring Plastic Thermosetting Body construction
General Description

The Fuseholder,extractor Post, cataloged under National Stock Number 5920-01-257-8611, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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
NSN5920-01-257-8611
Primary Part Number342004
Item NameFuseholder,extractor Post
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusCANCELLED
Mounting Hole StyleBUSHING MOUNTING
Terminal Type and Quantity2 TAB, SOLDER LUG
Fuse Terminal Type AccommodatedFERRULE
Surface TreatmentTIN CONTACT
Flatted Side Bushing Hole Length0.475 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN
Environmental ProtectionVIBRATION PROOF
Fragility FactorMODERATELY DELICATE
MaterialPLASTIC THERMOSETTING BODY
Bushing Thread Length1.000 INCHES NOMINAL IN
Length From Front Protrusion to Mounting Surface0.703 INCHES NOMINAL IN
MaterialCOPPER ALLOY CONTACT
Voltage in Volts250.0
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Bushing Hole Diameter0.502 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Body StyleBUSHING MOUNTED TYPE
Fuse Accommodation Quantity1
Material Document and ClassificationMIL-P-14, TYPE MME MIL SPEC SINGLE MATERIAL RESPONSE BODY
Overall Diameter0.639 INCHES NOMINAL IN
MaterialCOPPER ALLOY TERMINAL
Mounting Hole Quantity1
Surface TreatmentTIN TERMINAL
Current Carrying Rating in Amps20.0
Mounting Hole Diameter0.502 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5920-00-087-0206342008 INTERCHANGEABLE
Fuseholder,extractor Post
Littelfuse, Inc.
3010-00-203-16327130671P1 INTERCHANGEABLE
Coupling,shaft,flexible
Lockheed Martin Corporation Div Rms
5310-00-222-723510790 INTERCHANGEABLE
Nut,plain,hexagon
Komatsu America Corporation
5310-00-282-5693 INTERCHANGEABLE
Nut,plain,hexagon
5975-00-321-8817 INTERCHANGEABLE
Clamp,electrical Conductor,strai
5935-00-549-36875-60-300 INTERCHANGEABLE
Connector,receptacle,electrical
Ted Manufacturing Corp Div Ted Manufacturing Corporation
5920-00-556-0144 INTERCHANGEABLE
Fuseholder,extractor Post
4130-00-571-9782 INTERCHANGEABLE
Coil,condenser
1650-00-656-48635149 INTERCHANGEABLE
Parts Kit,valve,cure Date
Hydro-Aire Aerospace Corp
4030-00-697-0776D8163 INTERCHANGEABLE
Rod,anchor
Joslyn Corp
Cross-Reference Index
Part NumberManufacturer
150-0001 Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix (USA)
5650-0100 Genrad Inc (USA)
560300 Decom Systems Inc (USA)
5650-0100 Iet Labs Inc (USA)
5149 Tdk-Lambda Americas Inc. Div High Power Division (USA)
342004 PRIMARY Littelfuse, Inc. (USA)
5149 Nje Corp (USA)
Related Parts
5920-00-087-0206INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
342008
3010-00-203-1632INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
7130671P1
5310-00-222-7235INTERCHANGEABLE
NUT,PLAIN,HEXAGON
10790
5310-00-282-5693INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5975-00-321-8817INTERCHANGEABLE
CLAMP,ELECTRICAL CONDUCTOR,STRAI
5935-00-549-3687INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5-60-300
5920-00-556-0144INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
4130-00-571-9782INTERCHANGEABLE
COIL,CONDENSER
1650-00-656-4863INTERCHANGEABLE
PARTS KIT,VALVE,CURE DATE
5149
4030-00-697-0776INTERCHANGEABLE
ROD,ANCHOR
D8163
5920-00-875-4100INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5905-01-046-9084INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
34-2004

Frequently Asked Questions

What is NSN 5920-01-257-8611?

NSN 5920-01-257-8611 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 5920-01-257-8611?

NSN 5920-01-257-8611 has 7 cross-referenced part numbers: 150-0001 (Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix), 5650-0100 (Genrad Inc), 560300 (Decom Systems Inc), 5650-0100 (Iet Labs Inc), 5149 (Tdk-Lambda Americas Inc. Div High Power Division) and 2 more.

What NSN replaces 5920-01-257-8611?

There are 12 known substitutes for 5920-01-257-8611: 5920-00-087-0206, 3010-00-203-1632, 5310-00-222-7235 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 342004?

Key specifications for 342004: Mounting Hole Style: BUSHING MOUNTING; Terminal Type and Quantity: 2 TAB, SOLDER LUG; Fuse Terminal Type Accommodated: FERRULE; Surface Treatment: TIN CONTACT. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-01-257-8611 still in active supply?

NSN 5920-01-257-8611 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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