Markel Corp. · Electronic Components
HT55YSW000
Insulation Sleeving, Electrical
Part NumberHT55YSW000
ManufacturerMarkel Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-265-5072 (NSN)
Federal Item NameINSULATION SLEEVING,ELECTRICAL
Federal Supply Class5970 — Electrical Insulators
Minimum Tensile Strength1800 POUNDS PER SQUARE INCH
Style DesignatorNONSHRINKABLE
Temp Rating-10.0 CELSIUS AND 105.0 CELSIUS
ColorYELLOW
Nondefinitive Spec Std Data1 CATEGORY AND 1 CLASS AND U FORM AND C GRADE AND 3/8 IN. SIZE AND UA SUBFORM AND F TYPE
FlexibilityFLEXIBLE
Environmental ProtectionFLAME RESISTANT AND MILDEW RESISTANT AND OIL RESISTANT
Dielectric Material Voltage Rating630.0 VOLTS PER MIL /0.001 INCH/
MaterialPLASTIC
Inside Diameter0.375 INCHES MINIMUM AND 0.399 INCHES MAXIMUM
Wall Thickness0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM
Vendor Part Numbers4900-AWG 3/8-YELLOW, SIZE 3/8 YELLOW SYNTHOLVAR SHH, 2200271-200
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is HT55YSW000 available?
We can source HT55YSW000 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is HT55YSW000 by Markel Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HT55YSW000 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like HT55YSW000?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for HT55YSW000?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.