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Technical Data Sheet

3659/20 — CABLE,SPECIAL PURPOSE,ELECTRICAL

✓ Government record, cited
3M · WIRE CABLE
PRODUCT OVERVIEW

3659/20: CABLE,SPECIAL PURPOSE,ELECTRICAL.

- Round construction permits easier routing - 28 AWG wire on .050 inch pitch permits mass termination to broad line of IDC connectors - Continuous split/bond repeat allows for mass termination on 2.4 inch centers (approximate) - Primary cable is zippable for branching or discrete terminations - Meets external wiring requirements of National Electrical Code, Article 725 (CL2) - UL listed for USA and Canadian markets - Dual shielding provides 35 db average shielding effectiveness This part is cataloged in the U.S. Government catalog under NSN 6145-01-430-0099, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
3659/20
NSN: 6145-01-430-0099
FSC: 6145 — Wire and Cable, Electrical
CAGE: 76381 — 3M COMPANY (USA)
SPECIFICATIONS
colorBLACK FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
materialCOPPER CORE CONDUCTOR ALL CONDUCTORS
temp_rating-20.0 CELSIUS AND 80.0 CELSIUS DEGC
conductor_formSTRANDED ALL CONDUCTORS
voltage_rating150.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
special_featuresRED MARKING ON ONE EDGE OF INNER CABLE AND FOLDED CONSTRUCTION PERMITS MASS TERMINATION.
surface_treatmentTIN CORE CONDUCTOR ALL CONDUCTORS
conductor_quantity20
round_conductor_size28 AWG ALL CONDUCTORS
cross-sectional_shape_styleROUND
strand_awg_size_per_conductor36 ALL CONDUCTORS
strand_quantity_per_conductor7 ALL CONDUCTORS
NSN6145-01-430-0099
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 3659/20 · 3M ⚠ 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
•
ROUND CONDUCTOR SIZE: 28 AWG ALL CONDUCTORS
•
TEMP RATING: -20.0 CELSIUS AND 80.0 CELSIUS DEGC
•
VOLTAGE RATING: 150.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
•
CONDUCTOR QUANTITY: 20
•
STRAND AWG SIZE PER CONDUCTOR: 36 ALL CONDUCTORS
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
CONDUCTOR FORM: STRANDED ALL CONDUCTORS
•
STRAND QUANTITY PER CONDUCTOR: 7 ALL CONDUCTORS
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
ROUND CONDUCTOR SIZE28 AWG ALL CONDUCTORS
TEMP RATING-20.0 CELSIUS AND 80.0 CELSIUS DEGC
VOLTAGE RATING150.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
CONDUCTOR QUANTITY20
STRAND AWG SIZE PER CONDUCTOR36 ALL CONDUCTORS
CROSS-SECTIONAL SHAPE STYLEROUND
CONDUCTOR FORMSTRANDED ALL CONDUCTORS
STRAND QUANTITY PER CONDUCTOR7 ALL CONDUCTORS
CONDUCTOR ARRANGEMENT AND QUANTITY20 SINGLES
COLORBLACK FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
OTHER ITEMS IN FSC 6145 — Wire and Cable, Electrical
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6145-00-000-0090 6145-00-000-0095 6145-00-001-1281 6145-00-001-3002 6145-00-001-4504 6145-00-001-5158 6145-00-001-5159 6145-00-001-5160
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 3659/20?
3659/20 is a CABLE,SPECIAL PURPOSE,ELECTRICAL manufactured by 3M.
What is the NSN for 3659/20?
3659/20 is cataloged in the U.S. Government catalog under NSN 6145-01-430-0099. This indicates validated use in U.S. government and defense supply chains.
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