PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UK6.3-HESIFuseholder,block

Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa · NSN 5920-01-381-8648 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-01-381-8648 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-381-8648. Primary manufacturer part number: UK6.3-HESI.
Features
  • Fuseholder,block — FSC 5920
  • Accommodated Ferrule Diameter: 0.250 INCHES NOMINAL IN
  • Current Carrying Rating in Amps: 16.0
  • Mounting Hole Style: ONE HOLE MOUNTING
  • Accommodated Fuse Length: 1.250 INCHES NOMINAL IN
  • Mounting Hole Quantity: 1
  • Voltage in Volts: 1000.0
  • Fuse Accommodation Quantity: 1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fuseholder,block, cataloged under National Stock Number 5920-01-381-8648, 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 Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5920-01-381-8648
Primary Part NumberUK6.3-HESI
Item NameFuseholder,block
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerPhoenix Contact Development and Manufacturing Inc Dba Protiq Usa
StatusACTIVE
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Current Carrying Rating in Amps16.0
Mounting Hole StyleONE HOLE MOUNTING
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Mounting Hole Quantity1
Voltage in Volts1000.0
Fuse Accommodation Quantity1
Mounting Hole Diameter0.217 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5962-01-044-4129 INTERCHANGEABLE
Microcircuit,digital
5962-01-168-7582SNM74126W INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
5325-01-282-327588166E INTERCHANGEABLE
Ring,retaining
Griswold Industries Dba Cla-Val Co
4920-01-571-8268388-319 INTERCHANGEABLE
Fuse Term Block,air
Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering
Cross-Reference Index
Part NumberManufacturer
8816.6 Altech Corporation (USA)
40092340 Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR)
ECS130385 Critical Maritime Systems & Support Limited (GBR)
4200147 Bollfilter Uk Ltd (GBR)
3004171 Phoenix Contact (FRA)
UK6.3-HESI PRIMARY Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa (USA)
Related Parts
5962-01-044-4129INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5962-01-168-7582INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SNM74126W
5325-01-282-3275INTERCHANGEABLE
RING,RETAINING
88166E
4920-01-571-8268INTERCHANGEABLE
FUSE TERM BLOCK,AIR
388-319

Frequently Asked Questions

What is NSN 5920-01-381-8648?

NSN 5920-01-381-8648 is a Fuseholder,block, manufactured by Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa, classified under FSC 5920 (No Item Name Available). Status: active.

What are the part numbers for NSN 5920-01-381-8648?

NSN 5920-01-381-8648 has 6 cross-referenced part numbers: 8816.6 (Altech Corporation), 40092340 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)), ECS130385 (Critical Maritime Systems & Support Limited), 4200147 (Bollfilter Uk Ltd), 3004171 (Phoenix Contact) and 1 more.

What NSN replaces 5920-01-381-8648?

There are 4 known substitutes for 5920-01-381-8648: 5962-01-044-4129, 5962-01-168-7582, 5325-01-282-3275 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of UK6.3-HESI?

Key specifications for UK6.3-HESI: Accommodated Ferrule Diameter: 0.250 INCHES NOMINAL IN; Current Carrying Rating in Amps: 16.0; Mounting Hole Style: ONE HOLE MOUNTING; Accommodated Fuse Length: 1.250 INCHES NOMINAL IN. 8 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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