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Technical Data Sheet
PartsTable / COMPONENT / FRN-R-2.8
FRN-R-2.8 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The FRN-R-2.8 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-232-1453, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
FRN-R-2.8
NSN: 5920-01-232-1453
FSC: 5920
CAGE: 71400 — COOPER BUSSMANN, LLC DBA COOPER INDUSTRIES (USA)
SPECIFICATIONS
Part NumberFRN-R-2.8
NSN5920-01-232-1453
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FRN-R-2.8 TITLE COMPONENT PN FRN-R-2.8 MFR FRN-R-2.8
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 81348-W-F-1814/56 GOVERNMENT SPECIFICATION
•
FEATURES PROVIDED: NONRENEWABLE FUSIBLE ELEMENT
•
CIRCUIT OVER-CURRENT INTERRUPTION TYPE: TIME DELAY
•
MATERIAL: COPPER OR COPPER ALLOY TERMINAL
•
MAXIMUM VOLTAGE RATING IN VOLTS: 250.0 AC AND 250.0 DC
•
OVERALL DIAMETER: 0.562 INCHES NOMINAL IN
•
TEST DATA DOCUMENT: 81348-W-F-1814 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81348-W-F-1814/56 GOVERNMENT SPECIFICATION
FEATURES PROVIDEDNONRENEWABLE FUSIBLE ELEMENT
CIRCUIT OVER-CURRENT INTERRUPTION TYPETIME DELAY
MATERIALCOPPER OR COPPER ALLOY TERMINAL
OVERALL LENGTH2.000 INCHES NOMINAL IN
MAXIMUM VOLTAGE RATING IN VOLTS250.0 AC AND 250.0 DC
OVERALL DIAMETER0.562 INCHES NOMINAL IN
TEST DATA DOCUMENT81348-W-F-1814 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
CONTINUOUS CURRENT RATING IN AMPS2.800
CIRCUIT OVER-CURRENT INTERRUPTION DELAY TIME IN SECONDS10.0 500 PCT OF CURRENT RATING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
FRN1-2Interchangeable
interchangeable cross-reference
interchangeable
ECN1-2Interchangeable
interchangeable cross-reference
interchangeable
WF791AInterchangeable
interchangeable cross-reference
interchangeable
FRN3 1/2Interchangeable
interchangeable cross-reference
interchangeable
4035Interchangeable
interchangeable cross-reference
interchangeable
3753-19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FRN-R-2.8?
FRN-R-2.8 is a FRN-R-2.8.
What parts can replace FRN-R-2.8?
There are 26 known substitutes for FRN-R-2.8: FRN1-2, ECN1-2, WF791A and 23 more. Substitute compatibility should be verified for your specific system.
Is FRN-R-2.8 still available?
FRN-R-2.8 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026