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128C999Y04AA999 — 128C999Y04AA999

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

128C999Y04AA999: 128C999Y04AA999.

The 128C999Y04AA999 is a the manufacturer industrial component. Key specifications include color: WHITE FIRST POSITION COVER SINGLE CONDUCTOR, material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR, temp_rating: 200.0 CELSIUS DEGC, conductor_form: STRANDED SINGLE CONDUCTOR, voltage_rating: 1000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR, special_features: PRIMARY INSULATION CONFORMS TO ZZ-R-765,CLASS 2A A. This part is cataloged in the U.S.

Government catalog under NSN 6145-01-259-6437, 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→ 128C999Y04AA999
NSN: 6145-01-259-6437
FSC: 6145 — Wire and Cable, Electrical
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
colorWHITE FIRST POSITION COVER SINGLE CONDUCTOR
materialCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
temp_rating200.0 CELSIUS DEGC
conductor_formSTRANDED SINGLE CONDUCTOR
voltage_rating1000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
special_featuresPRIMARY INSULATION CONFORMS TO ZZ-R-765,CLASS 2A A
precious_materialSILVER
surface_treatmentSILVER CORE CONDUCTOR SINGLE CONDUCTOR
round_conductor_size4 AWG SINGLE CONDUCTOR
cross-sectional_shape_styleROUND
strand_awg_size_per_conductor25 SINGLE CONDUCTOR
strand_quantity_per_conductor133 SINGLE CONDUCTOR
NSN6145-01-259-6437
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 128C999Y04AA999 · 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: 4 AWG SINGLE CONDUCTOR
•
TEMP RATING: 200.0 CELSIUS DEGC
•
VOLTAGE RATING: 1000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
•
PRECIOUS MATERIAL: SILVER
•
STRAND AWG SIZE PER CONDUCTOR: 25 SINGLE CONDUCTOR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B298 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
ROUND CONDUCTOR SIZE4 AWG SINGLE CONDUCTOR
TEMP RATING200.0 CELSIUS DEGC
VOLTAGE RATING1000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B298 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
PRECIOUS MATERIALSILVER
STRAND AWG SIZE PER CONDUCTOR25 SINGLE CONDUCTOR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B298 ASSN STD SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
CROSS-SECTIONAL SHAPE STYLEROUND
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
STRAND QUANTITY PER CONDUCTOR133 SINGLE CONDUCTOR
SUBSTITUTES & CROSS-REFERENCES 3
M16878/8BRL9Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-W-16878/8Reference document
Same NSN cross-reference
Reference document — Secondary reference
NEMA-HP6Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 128C999Y04AA999?
128C999Y04AA999 is a 128C999Y04AA999. It is classified as a MRO (MRO_GENERAL).
What parts can replace 128C999Y04AA999?
There are 3 known substitutes for 128C999Y04AA999: M16878/8BRL9, MIL-W-16878/8, NEMA-HP6. Substitute compatibility should be verified for your specific system.
What is the NSN for 128C999Y04AA999?
128C999Y04AA999 is cataloged in the U.S. Government catalog under NSN 6145-01-259-6437. This indicates validated use in U.S. government and defense supply chains.
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