MIL-SPEC · Electronic Components
M631FUCIBK.500ID
Insulation Sleeving, Electrical
Part NumberM631FUCIBK.500ID
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-550-7535 (NSN)
Federal Item NameINSULATION SLEEVING,ELECTRICAL
Federal Supply Class5970 — Electrical Insulators
Design FormFULL ROUND
Markings0.500 ID
Wall Thickness0.025 INCHES NOMINAL
Style DesignatorNONSHRINKABLE
Inside Diameter0.500 INCHES NOMINAL
Environmental ProtectionMILDEW RESISTANT
Reliability IndicatorESTABLISHED
FlexibilityFLEXIBLE
Overall Length100.000 FEET MINIMUM
ColorBLACK
ESD/EMICode A — ESD/EMI sensitive item
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 M631FUCIBK.500ID available?
We can source M631FUCIBK.500ID 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 M631FUCIBK.500ID by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M631FUCIBK.500ID 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 M631FUCIBK.500ID?
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 M631FUCIBK.500ID?
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.