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Technical Data Sheet
PartsTable / COMPONENT / M915/8-FSS-4
M915/8-FSS-4 ✓ 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 M915/8-FSS-4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-985-7843, 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
M915/8-FSS-4
NSN: 6145-00-985-7843
FSC: 6145
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM915/8-FSS-4
NSN6145-00-985-7843
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: M915/8-FSS-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
•
ROUND CONDUCTOR SIZE: 14 AWG ALL CONDUCTORS
•
MATERIAL: RUBBER SYNTHETIC FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
•
CONDUCTOR FORM: STRANDED ALL CONDUCTORS
•
COLOR: BLACK FIRST POSITION COVER FIRST CONDUCTOR
•
CONDUCTOR ARRANGEMENT AND QUANTITY: 4 SINGLES
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
•
STRAND AWG SIZE PER CONDUCTOR: 22 ALL CONDUCTORS
•
SURFACE TREATMENT: TIN CORE CONDUCTOR ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
ROUND CONDUCTOR SIZE14 AWG ALL CONDUCTORS
MATERIALRUBBER SYNTHETIC FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
CONDUCTOR FORMSTRANDED ALL CONDUCTORS
COLORBLACK FIRST POSITION COVER FIRST CONDUCTOR
CONDUCTOR ARRANGEMENT AND QUANTITY4 SINGLES
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-343,SOFT FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR ALL CONDUCTORS
STRAND AWG SIZE PER CONDUCTOR22 ALL CONDUCTORS
SURFACE TREATMENTTIN CORE CONDUCTOR ALL CONDUCTORS
COLORWHITE SECOND POSITION COVER SECOND CONDUCTOR
STRAND QUANTITY PER CONDUCTOR7 ALL CONDUCTORS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MIL-DTL-24643/53Upgraded Successor
successor cross-reference
successor
M24643/53-04ANUpgraded Successor
successor cross-reference
successor
MILC915Upgraded Successor
successor cross-reference
successor
15C1-7-24AWGSTRANDSUpgraded Successor
successor cross-reference
successor
MHFA19Upgraded Successor
successor cross-reference
successor
MC0S7Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M915/8-FSS-4?
M915/8-FSS-4 is a M915/8-FSS-4.
What parts can replace M915/8-FSS-4?
There are 18 known substitutes for M915/8-FSS-4: MIL-DTL-24643/53, M24643/53-04AN, MILC915 and 15 more. Substitute compatibility should be verified for your specific system.
Is M915/8-FSS-4 still available?
M915/8-FSS-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026