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Technical Data Sheet

840-2 — Cable Assembly Specs

✓ 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

HEATER,HEAT TREATING,RESISTANCE. Key specifications include shape: HORIZONTAL RECTANGULAR, width: 16.5 INCHES NOMINAL IN, length: 21.5 INCHES NOMINAL IN, material: PLASTIC FOAM CUSHIONING, thickness: 1.5 INCHES NOMINAL IN, thread_length: UNABLE TO DECODE. This part is cataloged in the Federal Logistics Information System under NSN 6145-00-145-2495, 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→ 840-2
NSN: 6145-00-145-2495
FSC: 6145
CAGE: 16428 — BELDEN WIRE & CABLE COMPANY LLC DBA BELDEN CDT ELECTRONICS DIVISION (USA)
SPECIFICATIONS
shapeHORIZONTAL RECTANGULAR
width16.5 INCHES NOMINAL IN
length21.5 INCHES NOMINAL IN
materialPLASTIC FOAM CUSHIONING
thickness1.5 INCHES NOMINAL IN
thread_lengthUNABLE TO DECODE
furnished_itemsBUSHING AND OVAL BUSHING AND FERRULE AND LOCKNUT
inside_diameterUNABLE TO DECODE
mounting_methodPRESSURE SENSITIVE ADHESIVE
special_featuresCOLOR IS BLACK; ALSO INCLUDES SPECIAL CLIP FOR MAXIMUM PULL OUT RESISTANCE; NO DISASSEMBLY REQUIRED; FITS CONDUIT/TUBING TRADE SIZE 1/2 INCH IN
style_designatorSTANDARD
thread_directionUNABLE TO DECODE
NSN6145-00-145-2495
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 840-2 · 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
•
ROUND CONDUCTOR SIZE: 20 AWG ALL CONDUCTORS
•
STRAND QUANTITY PER CONDUCTOR: 26 ALL CONDUCTORS
•
COLOR: BLACK SECOND POSITION COVER SECOND CONDUCTOR
•
SURFACE TREATMENT: TIN CORE CONDUCTOR ALL CONDUCTORS
•
STRAND AWG SIZE PER CONDUCTOR: 34 ALL CONDUCTORS
•
CONDUCTOR ARRANGEMENT AND QUANTITY: 2 SINGLES
•
CROSS SECTION OUTSIDE DIAMETER: 0.268 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
ROUND CONDUCTOR SIZE20 AWG ALL CONDUCTORS
STRAND QUANTITY PER CONDUCTOR26 ALL CONDUCTORS
COLORBLACK SECOND POSITION COVER SECOND CONDUCTOR
SURFACE TREATMENTTIN CORE CONDUCTOR ALL CONDUCTORS
COLORWHITE FIRST POSITION COVER FIRST CONDUCTOR
STRAND AWG SIZE PER CONDUCTOR34 ALL CONDUCTORS
CONDUCTOR ARRANGEMENT AND QUANTITY2 SINGLES
CROSS SECTION OUTSIDE DIAMETER0.268 INCHES NOMINAL IN
COLORBROWN FIRST POSITION JACKET CABLE
CONDUCTOR QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
3608InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
0412InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
271H-50MA-40-7K500JInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-DTL-15109InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
Y-9064InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7510PL2149432InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMATSourcing: other
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FREQUENTLY ASKED QUESTIONS
What is 840-2?
840-2 is a HEATER,HEAT TREATING,RESISTANCE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 840-2?
There are 17 known substitutes for 840-2: 3608, 0412, 271H-50MA-40-7K500J and 14 more. Substitute compatibility should be verified for your specific system.
Is 840-2 still available?
840-2 is currently cancelled.
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