PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55876-1Fuseholder,block

General Dynamics Mission Systems, Inc. · NSN 5920-00-280-4241 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-280-4241 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-280-4241. Primary manufacturer part number: 55876-1.
Features
  • Fuseholder,block — FSC 5920
  • Material: COPPER ALLOY 511 CONTACT
  • Accommodated Ferrule Diameter: 0.406 INCHES NOMINAL IN
  • Body Style: SIDE BARRIER TYPE
  • Base Thickness: 0.448 INCHES NOMINAL IN
  • Fuse Accommodation Quantity: 2
  • Center to Center Distance Between Outside Mounting Holes Along Length: 2.000 INCHES NOMINAL IN
  • Mounting Hole Diameter: 0.140 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy 511 Contact construction
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-00-280-4241, 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 General Dynamics Mission Systems, Inc.. Government technical data includes 19 verified specifications, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-280-4241
Primary Part Number55876-1
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerGeneral Dynamics Mission Systems, Inc.
StatusCANCELLED
MaterialCOPPER ALLOY 511 CONTACT
Accommodated Ferrule Diameter0.406 INCHES NOMINAL IN
Body StyleSIDE BARRIER TYPE
Base Thickness0.448 INCHES NOMINAL IN
Fuse Accommodation Quantity2
Center to Center Distance Between Outside Mounting Holes Along Length2.000 INCHES NOMINAL IN
Mounting Hole Diameter0.140 INCHES NOMINAL IN
Mounting Hole Quantity2
Mounting Hole StyleIN-LINE ALONG THE LENGTH
Accommodated Fuse Length1.500 INCHES NOMINAL IN
MaterialCOPPER ALLOY TERMINAL
Internal Circuit Configuration and Pole Quantity2 POLE, MAINLINE, FUSED
Surface TreatmentNICKEL CONTACT
Coating MethodPLATED CONTACT
MaterialPORCELAIN BODY
Terminal Type and Quantity4 SCREW
Current Carrying Rating in Amps30.0
Voltage in Volts600.0
Fuse Terminal Type AccommodatedFERRULE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3110-00-100-3104 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5330-00-291-6370PH271 INTERCHANGEABLE
Seal,plain Encased
Wisconsin Motors, Llc
6620-00-492-4936378-2 INTERCHANGEABLE
Gage,fuel Engine
Herley Chicago Dba Stewart Warner Electronics
5930-00-539-7013 INTERCHANGEABLE
Boot,dust and Moisture Seal
3120-00-801-66923782 INTERCHANGEABLE
Bearing,plain,self-Aligning
O & S Acquisition Llc Dba O & S America Llc
3040-00-859-6571 INTERCHANGEABLE
Pawl,check
5910-00-973-2821SMD447138 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4510-01-193-78983-782 INTERCHANGEABLE
Water Closet
Cr/pl Llc
2090-01-500-7975Z-3400 INTERCHANGEABLE
Case,inflatable Landing Boat
Zodiac of North America, Inc. Dba Zodiac of North America Inc Div Milpro
6515-01-552-123810708501 INTERCHANGEABLE
Catheter,intravenous
Angiodynamics Inc
Cross-Reference Index
Part NumberManufacturer
55876-1 PRIMARY General Dynamics Mission Systems, Inc. (USA)
3782 Cooper Bussmann, Llc Dba Cooper Industries (USA)
55876-1 Gte Products Corp Entertainment Products Group (USA)
55876-1 Central Can Co Inc (USA)
Related Parts
3110-00-100-3104INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5330-00-291-6370INTERCHANGEABLE
SEAL,PLAIN ENCASED
PH271
6620-00-492-4936INTERCHANGEABLE
GAGE,FUEL ENGINE
378-2
5930-00-539-7013INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
3120-00-801-6692INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
3782
3040-00-859-6571INTERCHANGEABLE
PAWL,CHECK
5910-00-973-2821INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
SMD447138
4510-01-193-7898INTERCHANGEABLE
WATER CLOSET
3-782
2090-01-500-7975INTERCHANGEABLE
CASE,INFLATABLE LANDING BOAT
Z-3400
6515-01-552-1238INTERCHANGEABLE
CATHETER,INTRAVENOUS
10708501
5306-01-600-0267INTERCHANGEABLE
BOLT,MACHINE
3782

Frequently Asked Questions

What is NSN 5920-00-280-4241?

NSN 5920-00-280-4241 is a Fuseholder,block, manufactured by General Dynamics Mission Systems, Inc., classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-280-4241?

NSN 5920-00-280-4241 has 4 cross-referenced part numbers: 55876-1 (General Dynamics Mission Systems, Inc.), 3782 (Cooper Bussmann, Llc Dba Cooper Industries), 55876-1 (Gte Products Corp Entertainment Products Group), 55876-1 (Central Can Co Inc).

What NSN replaces 5920-00-280-4241?

There are 11 known substitutes for 5920-00-280-4241: 3110-00-100-3104, 5330-00-291-6370, 6620-00-492-4936 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55876-1?

Key specifications for 55876-1: Material: COPPER ALLOY 511 CONTACT; Accommodated Ferrule Diameter: 0.406 INCHES NOMINAL IN; Overall Height: 1.312 INCHES NOMINAL IN; Body Style: SIDE BARRIER TYPE. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-280-4241 still in active supply?

NSN 5920-00-280-4241 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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