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Technical Data Sheet
PartsTable / MRO / 471-1581
471-1581 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 PROTECTOR,TELEPHONE is a the manufacturer industrial component. Key specifications include usage_design: OUTDOOR, overall_width: 4.620 INCHES MAXIMUM IN, overall_height: 2.500 INCHES MAXIMUM IN, overall_length: 6.500 INCHES MAXIMUM IN, enclosure_feature: RECTANGULAR COVER, inclosure_material: PLASTIC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-01-091-8966, 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
MRO→ MRO_GENERAL→ 471-1581
NSN: 5920-01-091-8966
FSC: 5920
CAGE: 62143 — NORTHERN TELECOM INC TELECOM DISTRIBUTION DIV (USA)
SPECIFICATIONS
usage_designOUTDOOR
overall_width4.620 INCHES MAXIMUM IN
wire_quantity5
overall_height2.500 INCHES MAXIMUM IN
overall_length6.500 INCHES MAXIMUM IN
enclosure_featureRECTANGULAR COVER
inclosure_materialPLASTIC
mounting_configurationTWO 0.190 IN. DIA MTG HOLES IN
protective_component_nameFUSE
protective_component_quantity2
NSN5920-01-091-8966
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PROTECTOR,TELEPHONE TITLE COMPONENT PN 471-1581 MFR PROTECTOR,TELEPHONE
KEY FEATURES
•
PROTECTIVE COMPONENT QUANTITY: 2
•
WIRE QUANTITY: 5
•
USAGE DESIGN: OUTDOOR
•
INCLOSURE MATERIAL: PLASTIC
•
MOUNTING CONFIGURATION: TWO 0.190 IN. DIA MTG HOLES IN
•
ENCLOSURE FEATURE: RECTANGULAR COVER
TECHNICAL CHARACTERISTICS (FLIS)
PROTECTIVE COMPONENT QUANTITY2
OVERALL LENGTH6.500 INCHES MAXIMUM IN
WIRE QUANTITY5
USAGE DESIGNOUTDOOR
OVERALL WIDTH4.620 INCHES MAXIMUM IN
INCLOSURE MATERIALPLASTIC
MOUNTING CONFIGURATIONTWO 0.190 IN. DIA MTG HOLES IN
ENCLOSURE FEATURERECTANGULAR COVER
PROTECTIVE COMPONENT NAMEFUSE
OVERALL HEIGHT2.500 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
AR4Interchangeable
interchangeable cross-reference
interchangeable
807063-00Interchangeable
interchangeable cross-reference
interchangeable
AR4XPWInterchangeable
interchangeable cross-reference
interchangeable
NWRC9BInterchangeable
interchangeable cross-reference
interchangeable
A52491-43Interchangeable
interchangeable cross-reference
interchangeable
9BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 471-1581?
471-1581 is a PROTECTOR,TELEPHONE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 471-1581?
There are 23 known substitutes for 471-1581: AR4, 807063-00, AR4XPW and 20 more. Substitute compatibility should be verified for your specific system.
Is 471-1581 still available?
471-1581 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