PartsTable
Technical Data Sheet
LSMCOS-4 ✓ 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 LSMCOS-4 is a the manufacturer industrial component. Key specifications include color: WHITE SECOND POSITION COVER SECOND CONDUCTOR, conductor_form: STRANDED ALL CONDUCTORS, voltage_rating: 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS, conductor_quantity: 44, round_conductor_size: 18 AWG ALL CONDUCTORS, cross-sectional_shape_style: ROUNDROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-202-2778, 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 LSMCOS-4
NSN: 6145-01-202-2778
FSC: 6145
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
colorWHITE SECOND POSITION COVER SECOND CONDUCTOR
conductor_formSTRANDED ALL CONDUCTORS
voltage_rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
conductor_quantity44
round_conductor_size18 AWG ALL CONDUCTORS
cross-sectional_shape_styleROUNDROUND
strand_awg_size_per_conductor30 ALL CONDUCTORS
strand_quantity_per_conductor16 ALL CONDUCTORS
cross_section_outside_diameter0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
conductor_arrangement_and_quantity4 SINGLES
material_document_and_classificationASTM B3 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
NSN6145-01-202-2778
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: LSMCOS-4 · 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
STRAND QUANTITY PER CONDUCTOR: 16 ALL CONDUCTORS
COLOR: BLACK FIRST POSITION COVER FIRST CONDUCTOR
VOLTAGE RATING: 600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
CONDUCTOR FORM: STRANDED ALL CONDUCTORS
CROSS-SECTIONAL SHAPE STYLE: ROUNDROUND
ROUND CONDUCTOR SIZE: 18 AWG ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
STRAND QUANTITY PER CONDUCTOR16 ALL CONDUCTORS
COLORBLACK FIRST POSITION COVER FIRST CONDUCTOR
VOLTAGE RATING600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
CONDUCTOR FORMSTRANDED ALL CONDUCTORS
COLORWHITE SECOND POSITION COVER SECOND CONDUCTOR
COLORRED THIRD POSITION COVER THIRD CONDUCTOR
CROSS-SECTIONAL SHAPE STYLEROUNDROUND
ROUND CONDUCTOR SIZE18 AWG ALL CONDUCTORS
STRAND AWG SIZE PER CONDUCTOR30 ALL CONDUCTORS
COLORGREEN FOURTH POSITION COVER FOURTH CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
MIL-C-915/11Upgraded Successor
successor cross-reference
successor
MCOS-7Upgraded Successor
successor cross-reference
successor
MILC915-11Upgraded Successor
successor cross-reference
successor
MC0S6Upgraded Successor
successor cross-reference
successor
MC0S4Upgraded Successor
successor cross-reference
successor
LSMCOS-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LSMCOS-4?
LSMCOS-4 is a LSMCOS-4. It is classified as a MRO (MRO_GENERAL).
What parts can replace LSMCOS-4?
There are 16 known substitutes for LSMCOS-4: MIL-C-915/11, MCOS-7, MILC915-11 and 13 more. Substitute compatibility should be verified for your specific system.
Is LSMCOS-4 still available?
LSMCOS-4 is currently cancelled.
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