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2-521055-2 — TERMINAL,QUICK DISCONNECT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2-521055-2: TERMINAL,QUICK DISCONNECT.

The TERMINAL,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON INSULATION, tab_width: 0.250 INCHES IN, overall_length: 0.855 INCHES IN, special_features: IS ROHS COMPLIANT., basic_shape_style: EXTERNAL, surface_treatment: TIN OVERALL EXCEPT INSULATION SINGLE LAYER. This part is cataloged in the U.S.

Government catalog under NSN 5940-01-668-8300, 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
2-521055-2
NSN: 5940-01-668-8300
FSC: 5940 — Lugs, Terminals, and Terminal Strips
CAGE: 00779 — TE CONNECTIVITY CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON INSULATION
tab_width0.250 INCHES IN
overall_length0.855 INCHES IN
special_featuresIS ROHS COMPLIANT.
basic_shape_styleEXTERNAL
surface_treatmentTIN OVERALL EXCEPT INSULATION SINGLE LAYER
quick_disconnect_styleTAB W/HOLE
identification_code_colorRED
electrical_insulation_featureINSULATING SLEEVE
conductor_accommodation_type_styleRECESSED BARREL SINGLE END
maximum_conductor_size_accommodated18 AWG
NSN5940-01-668-8300
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TERMINAL,QUICK DISCONNECT TITLE COMPONENT PN 2-521055-2 MFR TERMINAL,QUICK DISCONN
KEY FEATURES
•
IDENTIFICATION CODE COLOR: RED
•
CONDUCTOR ACCOMMODATION TYPE STYLE: RECESSED BARREL SINGLE END
•
QUICK DISCONNECT STYLE: TAB W/HOLE
•
MAXIMUM CONDUCTOR SIZE ACCOMMODATED: 18 AWG
•
BASIC SHAPE STYLE: EXTERNAL
•
TAB WIDTH: 0.250 INCHES IN
•
ELECTRICAL INSULATION FEATURE: INSULATING SLEEVE
TECHNICAL CHARACTERISTICS
IDENTIFICATION CODE COLORRED
OVERALL LENGTH0.855 INCHES IN
CONDUCTOR ACCOMMODATION TYPE STYLERECESSED BARREL SINGLE END
QUICK DISCONNECT STYLETAB W/HOLE
MAXIMUM CONDUCTOR SIZE ACCOMMODATED18 AWG
BASIC SHAPE STYLEEXTERNAL
TAB WIDTH0.250 INCHES IN
ELECTRICAL INSULATION FEATUREINSULATING SLEEVE
SPECIAL FEATURESIS ROHS COMPLIANT.
SURFACE TREATMENTTIN OVERALL EXCEPT INSULATION SINGLE LAYER
OTHER ITEMS IN FSC 5940 — Lugs, Terminals, and Terminal Strips
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5940-00-000-0045 5940-00-000-0235 5940-00-001-1331 5940-00-001-1332 5940-00-001-1333 5940-00-001-1335 5940-00-001-1336 5940-00-001-1358
SUBSTITUTES & CROSS-REFERENCES 1
C-521055Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2-521055-2?
2-521055-2 is a TERMINAL,QUICK DISCONNECT.
What parts can replace 2-521055-2?
There is 1 known substitute for 2-521055-2: C-521055. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-521055-2?
2-521055-2 is cataloged in the U.S. Government catalog under NSN 5940-01-668-8300. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.