Sumitomo · Electronic Components
M23053/4-303-0
Heat Shrink Tubing and Sleeves HS-TBG 12/4MM
Part NumberM23053/4-303-0
ManufacturerSumitomo
AvailabilityIn stock — ships fast
Specifications
NSN5970-01-142-2282 (NSN)
Federal Item NameINSULATION SLEEVING,ELECTRICAL
MaterialPLASTIC POLYOLEFIN
Special FeaturesMELTABLE INNER WALL 0.030 IN. THK
Recovered Wall Thickness0.070 INCHES NOMINAL
Style DesignatorSHRINKABLE
Expanded Inside Diameter0.470 INCHES MINIMUM
Environmental ProtectionCORROSION RESISTANT AND FLAME RESISTANT AND MILDEW RESISTANT AND WATER RESISTANT
Recovered Inside Diameter0.160 INCHES MAXIMUM
Temp Rating-55.0 CELSIUS AND 110.0 CELSIUS
Minimum Tensile Strength1300 POUNDS PER SQUARE INCH
Dielectric Material Voltage Rating300.0 VOLTS PER MIL /0.001 INCH/
Federal Supply Class5970 — Electrical Insulators And Insulating Materials
FlexibilityFLEXIBLE
ColorBLACK
Heat Shrinkage Rating In Percent66.0
Vendor Part NumbersSTK9000-1138, P-ZLAB-0052954
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 M23053/4-303-0 in stock?
Yes — M23053/4-303-0 is in our stock database. Request a quote for current pricing and lead time.
Is M23053/4-303-0 by Sumitomo obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M23053/4-303-0 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 M23053/4-303-0?
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 M23053/4-303-0?
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.