PartsTable
Technical Data Sheet
M49055/12-12J ✓ Verified by PartsTable
· WIRE CABLE
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 M49055/12-12J is a the manufacturer industrial 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 6145-01-280-6147, 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
M49055/12-12J
NSN: 6145-01-280-6147
FSC: 6145
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM49055/12-12J
NSN6145-01-280-6147
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: M49055/12-12J · 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 ARRANGEMENT AND QUANTITY: 40 MOLDED TOGETHER W/NO OUTER COVERING
ROUND CONDUCTOR SIZE: 28 AWG ALL CONDUCTORS
SURFACE TREATMENT: SILVER CORE CONDUCTOR ALL CONDUCTORS
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B298 FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR ALL CONDUCTORS
PRECIOUS MATERIAL AND LOCATION: SURFACE ALL CONDUCTORS SILVER
STRAND QUANTITY PER CONDUCTOR: 7 ALL CONDUCTORS
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OR PLASTIC FLUORINATED ETHYLENE PROPYLENE OR PLASTIC PERFLUOROALKOXY (PFA) FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
CONDUCTOR ARRANGEMENT AND QUANTITY40 MOLDED TOGETHER W/NO OUTER COVERING
ROUND CONDUCTOR SIZE28 AWG ALL CONDUCTORS
SURFACE TREATMENTSILVER CORE CONDUCTOR ALL CONDUCTORS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B298 FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR ALL CONDUCTORS
PRECIOUS MATERIAL AND LOCATIONSURFACE ALL CONDUCTORS SILVER
STRAND QUANTITY PER CONDUCTOR7 ALL CONDUCTORS
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OR PLASTIC FLUORINATED ETHYLENE PROPYLENE OR PLASTIC PERFLUOROALKOXY (PFA) FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
STRAND AWG SIZE PER CONDUCTOR36 ALL CONDUCTORS
PRECIOUS MATERIALSILVER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
MIL-C-49055/12Upgraded Successor
successor cross-reference
successor
M49055/12-03JUpgraded Successor
successor cross-reference
successor
MIL-DTL-49055/12Upgraded Successor
successor cross-reference
successor
6145PL0836371Upgraded Successor
successor cross-reference
successor
M49055/12-01Upgraded Successor
successor cross-reference
successor
6145PL0836430Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M49055/12-12J?
M49055/12-12J is a M49055/12-12J.
What parts can replace M49055/12-12J?
There are 19 known substitutes for M49055/12-12J: MIL-C-49055/12, M49055/12-03J, MIL-DTL-49055/12 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M49055/12-12J?
M49055/12-12J is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-280-6147. This indicates validated use in U.S. government and defense supply chains.
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