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Technical Data Sheet
PartsTable / COMPONENT / 4255521-9
4255521-9 ✓ 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 TERMINAL,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL EXCEPT INSULATION, tab_width: 0.250 INCHES IN, largest_width: 0.250 INCHES SINGLE END IN, overall_length: 2.093 INCHES IN, basic_shape_style: COUPLER, material_thickness: 0.032 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-00-861-2566, 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
4255521-9
NSN: 5940-00-861-2566
FSC: 5940
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL EXCEPT INSULATION
tab_width0.250 INCHES IN
largest_width0.250 INCHES SINGLE END IN
overall_length2.093 INCHES IN
basic_shape_styleCOUPLER
material_thickness0.032 INCHES IN
quick_disconnect_styleTAB COUPLER
identification_code_colorWHITE
conductor_accommodation_typeSLANT LUG W/ONE HOLE SINGLE END
electrical_insulation_featureINSULATING SLEEVE
NSN5940-00-861-2566
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TERMINAL,QUICK DISCONNECT TITLE COMPONENT PN 4255521-9 MFR TERMINAL,QUICK DISCONN
KEY FEATURES
•
IDENTIFICATION CODE COLOR: WHITE
•
BASIC SHAPE STYLE: COUPLER
•
CONDUCTOR ACCOMMODATION TYPE: SLANT LUG W/ONE HOLE SINGLE END
•
MATERIAL: PLASTIC INSULATION
•
ELECTRICAL INSULATION FEATURE: INSULATING SLEEVE
•
LARGEST WIDTH: 0.250 INCHES SINGLE END IN
TECHNICAL CHARACTERISTICS (FLIS)
IDENTIFICATION CODE COLORWHITE
BASIC SHAPE STYLECOUPLER
CONDUCTOR ACCOMMODATION TYPESLANT LUG W/ONE HOLE SINGLE END
MATERIALPLASTIC INSULATION
ELECTRICAL INSULATION FEATUREINSULATING SLEEVE
MATERIALCOPPER ALLOY OVERALL EXCEPT INSULATION
LARGEST WIDTH0.250 INCHES SINGLE END IN
OVERALL LENGTH2.093 INCHES IN
MATERIAL THICKNESS0.032 INCHES IN
QUICK DISCONNECT STYLETAB COUPLER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
60A24D18Interchangeable
interchangeable cross-reference
interchangeable
3929Interchangeable
interchangeable cross-reference
interchangeable
KT61Interchangeable
interchangeable cross-reference
interchangeable
SC5950-0077Interchangeable
interchangeable cross-reference
interchangeable
SC5950-0077-1Interchangeable
interchangeable cross-reference
interchangeable
BACB10A630Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4255521-9?
4255521-9 is a TERMINAL,QUICK DISCONNECT.
What parts can replace 4255521-9?
There are 11 known substitutes for 4255521-9: 60A24D18, 3929, KT61 and 8 more. Substitute compatibility should be verified for your specific system.
Is 4255521-9 still available?
4255521-9 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