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Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
IN121
Insulator, Bushing
Part NumberIN121
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-193-9953 (NSN)
Federal Item NameINSULATOR,BUSHING
Federal Supply Class5970 — Electrical Insulators
Outside Diameter1.500 INCHES NOMINAL
Style DesignatorTHREADED
MaterialCERAMIC CLEANING WIRE
Material Document And ClassificatiMIL-I-10 MIL SPEC SINGLE MATERIAL RESPONSE CLEANING WIRE
Surface FinishGLAZED OVERALL
Shank Height0.875 INCHES NOMINAL
Inside Diameter0.457 INCHES NOMINAL
Overall Height1.125 INCHES NOMINAL
Unable To DecodeUNABLE TO DECODE
Identification Code ColorBROWN
Vendor Part NumbersSCD4742B, SC-D-4742ITEM4
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 IN121 available?
We can source IN121 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 IN121 by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If IN121 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 IN121?
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 IN121?
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.