PartsTable
Technical Data Sheet
B189 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

The TERMINAL,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include color: WHITE CORE WRAP OVERALL, material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR, lug_width: 0.532 INCHES NOMINAL IN, head_style: FLAT COUNTERSUNK, neck_width: 0.656 INCHES NOMINAL IN, neck_length: 0.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-669-6642, 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 B189
NSN: 6145-00-669-6642
FSC: 6145
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
colorWHITE CORE WRAP OVERALL
materialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
lug_width0.532 INCHES NOMINAL IN
head_styleFLAT COUNTERSUNK
neck_width0.656 INCHES NOMINAL IN
neck_length0.500 INCHES NOMINAL IN
thread_class2A A
usage_designTEST LEADS
head_diameter1.062 INCHES NOMINAL IN
lug_thickness0.240 INCHES NOMINAL IN
thread_length1.188 INCHES MINIMUM IN
conductor_formSOLID SINGLE CONDUCTOR
NSN6145-00-669-6642
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: B189 · OEM ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
CONDUCTOR FORM: SOLID SINGLE CONDUCTOR
MATERIAL: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE: 18 AWG SINGLE CONDUCTOR
SURFACE TREATMENT: TIN CORE CONDUCTOR SINGLE CONDUCTOR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B33 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B33 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
CROSS-SECTIONAL SHAPE STYLE: ROUND
CROSS SECTION OUTSIDE DIAMETER: 0.040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CONDUCTOR FORMSOLID SINGLE CONDUCTOR
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE18 AWG SINGLE CONDUCTOR
SURFACE TREATMENTTIN CORE CONDUCTOR SINGLE CONDUCTOR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B33 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B33 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
CROSS-SECTIONAL SHAPE STYLEROUND
CROSS SECTION OUTSIDE DIAMETER0.040 INCHES NOMINAL IN
CONDUCTOR FORMSOLID SINGLE CONDUCTOR
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
QQ-W-343Upgraded Successor
successor cross-reference
successor
QQW343C04B2TUpgraded Successor
successor cross-reference
successor
QQW343B1801TUpgraded Successor
successor cross-reference
successor
QQW343S01S1BUpgraded Successor
successor cross-reference
successor
QQ343C65A2BUpgraded Successor
successor cross-reference
successor
165 100 0812Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B189?
B189 is a TERMINAL,QUICK DISCONNECT. It is classified as a MRO (MRO_GENERAL).
What parts can replace B189?
There are 19 known substitutes for B189: QQ-W-343, QQW343C04B2T, QQW343B1801T and 16 more. Substitute compatibility should be verified for your specific system.
Is B189 still available?
B189 is currently cancelled.
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