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Technical Data Sheet
PartsTable / MRO / B20GRAY
B20GRAY ✓ 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 B20GRAY is a the manufacturer industrial component. Key specifications include color: GRAY/GREY FIRST POSITION COVER SINGLE CONDUCTOR, material: PLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR, temp_rating: 75.0 CELSIUS DEGC, conductor_form: STRANDED SINGLE CONDUCTOR, voltage_rating: 600.0 DC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR, round_conductor_size: 28 AWG SINGLE CONDUCTOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-286-5636, 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→ B20GRAY
NSN: 6145-00-286-5636
FSC: 6145
CAGE: 2W733 — BELDEN WIRE AND CABLE CO WIRE AND CABLE OFFICE (USA)
SPECIFICATIONS
colorGRAY/GREY FIRST POSITION COVER SINGLE CONDUCTOR
materialPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
temp_rating75.0 CELSIUS DEGC
conductor_formSTRANDED SINGLE CONDUCTOR
voltage_rating600.0 DC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
round_conductor_size28 AWG SINGLE CONDUCTOR
cross-sectional_shape_styleROUND
strand_awg_size_per_conductor36 SINGLE CONDUCTOR
strand_quantity_per_conductor7 SINGLE CONDUCTOR
cross_section_outside_diameter0.032 INCHES NOMINAL IN
material_document_and_classificationMIL-W-16878 MIL SPEC SINGLE MATERIAL RESPONSE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
NSN6145-00-286-5636
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: B20GRAY · 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
•
COLOR: GRAY/GREY FIRST POSITION COVER SINGLE CONDUCTOR
•
TEMP RATING: 75.0 CELSIUS DEGC
•
STRAND QUANTITY PER CONDUCTOR: 7 SINGLE CONDUCTOR
•
MATERIAL: PLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
•
CROSS SECTION OUTSIDE DIAMETER: 0.032 INCHES NOMINAL IN
•
VOLTAGE RATING: 600.0 DC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
•
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-W-16878 MIL SPEC SINGLE MATERIAL RESPONSE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
COLORGRAY/GREY FIRST POSITION COVER SINGLE CONDUCTOR
TEMP RATING75.0 CELSIUS DEGC
STRAND QUANTITY PER CONDUCTOR7 SINGLE CONDUCTOR
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
CROSS SECTION OUTSIDE DIAMETER0.032 INCHES NOMINAL IN
VOLTAGE RATING600.0 DC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-W-16878 MIL SPEC SINGLE MATERIAL RESPONSE FIRST POSITION PRIMARY INSULATION SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE28 AWG SINGLE CONDUCTOR
STRAND AWG SIZE PER CONDUCTOR36 SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
SAE-AS22759/9Upgraded Successor
successor cross-reference
successor
M22759/9-12-92Upgraded Successor
successor cross-reference
successor
AS22759/9Upgraded Successor
successor cross-reference
successor
HP3-EXCEB8Upgraded Successor
successor cross-reference
successor
691C612P9Upgraded Successor
successor cross-reference
successor
MIL-W-16878Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B20GRAY?
B20GRAY is a B20GRAY. It is classified as a MRO (MRO_GENERAL).
What parts can replace B20GRAY?
There are 19 known substitutes for B20GRAY: SAE-AS22759/9, M22759/9-12-92, AS22759/9 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B20GRAY?
B20GRAY is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-286-5636. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026