Horizon Aerospace · Electronic Components
21-1672
Insulator, Bushing
Part Number21-1672
ManufacturerHorizon Aerospace
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-501-1690 (NSN)
Federal Item NameINSULATOR,BUSHING
Federal Supply Class5970 — Electrical Insulators
Overall Height0.040 INCHES NOMINAL
Inside Diameter0.089 INCHES NOMINAL
End ConfigurationBOTH ENDS SQUARED
MaterialPLASTIC OVERALL
Material Document And ClassificatiCOMP F-10001, E I DUPONT DE NEMOURS AND CO INC MFR REF SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorCYLINDRICAL
Outside Diameter0.189 INCHES NOMINAL
Identification Code ColorBLACK
ProducttraceabilityNo
RohscompliantTBA
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
UseccnUnknown
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 21-1672 available?
We can source 21-1672 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 21-1672 by Horizon Aerospace obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-1672 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 21-1672?
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 21-1672?
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.