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Technical Data Sheet
PartsTable / MRO / 66-45
66-45 ✓ Verified by PartsTable
Multibrackets · 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

M Pro Series - Soundbar Holder is an optional part for the M Pro Series. Key specifications include body_width: 1.500 INCHES NOMINAL IN, body_height: 2.250 INCHES NOMINAL IN, body_length: 2.250 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 60.0 HERTZ NOMINAL SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-191-8456, 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→ 66-45
NSN: 6145-00-191-8456
FSC: 6145
CAGE: 97324 — CHAMPLAIN CABLE LEEDS CORPORATION (USA)
SPECIFICATIONS
body_width1.500 INCHES NOMINAL IN
body_height2.250 INCHES NOMINAL IN
body_length2.250 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
reliability_indicatorNOT ESTABLISHED
winding_operating_current250.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
winding_operating_voltage6.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
mounting_facility_quantity4 SINGLE GROUP
terminal_type_and_quantity4 SOLDER STUD
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
NSN6145-00-191-8456
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 66-45 · Multibrackets ⚠ 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
•
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
•
STRAND QUANTITY PER CONDUCTOR: 168 SINGLE CONDUCTOR
•
MATERIAL: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
•
ROUND CONDUCTOR SIZE: 14 AWG SINGLE CONDUCTOR
•
STRAND AWG SIZE PER CONDUCTOR: 36 SINGLE CONDUCTOR
•
CROSS SECTION OUTSIDE DIAMETER: 0.064 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
STRAND QUANTITY PER CONDUCTOR168 SINGLE CONDUCTOR
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE14 AWG SINGLE CONDUCTOR
STRAND AWG SIZE PER CONDUCTOR36 SINGLE CONDUCTOR
CROSS SECTION OUTSIDE DIAMETER0.064 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
66-45Interchangeable
interchangeable cross-reference
interchangeable
P8-C5-E45Interchangeable
interchangeable cross-reference
interchangeable
NOS45Interchangeable
interchangeable cross-reference
interchangeable
SP32163Interchangeable
interchangeable cross-reference
interchangeable
419542-2Interchangeable
interchangeable cross-reference
interchangeable
GB2717-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66-45?
66-45 is a 66-45 manufactured by Multibrackets. It is classified as a MRO (MRO_GENERAL).
What parts can replace 66-45?
There are 17 known substitutes for 66-45: 66-45, P8-C5-E45, NOS45 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 66-45?
66-45 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-191-8456. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026