● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Lockheed Martin Corp.  · Electronic Components

123990-30

Insulator, Bushing

Part Number123990-30
ManufacturerLockheed Martin Corp.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameINSULATOR,BUSHING
Federal Supply Class5970 — Electrical Insulators
Style DesignatorSHOULDER
Outside Diameter1.115 INCHES MINIMUM AND 1.120 INCHES MAXIMUM
MaterialPOLYAMIDE EPOXY OVERALL
Inside Diameter0.703 INCHES NOMINAL
Material Document And ClassificatiASTM-D4066,CROUP 1,CLASS 1,GRADE 1 ASSN STD SINGLE MATERIAL RESPONSE OR COMMERCIAL GRADE,20 PERCENT GLASS MIN COMMERCIA
Identification Code ColorNATURAL
Shank Outside Diameter0.990 INCHES MINIMUM AND 0.995 INCHES MAXIMUM
Shank Height0.063 INCHES NOMINAL
Reference Number Differentiating CAS DIFFERENTIATED BY SPECIAL FEATURES
Overall Height0.125 INCHES NOMINAL
Review your list (0) →
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

Frequently asked

Is 123990-30 available?
We can source 123990-30 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 123990-30 by Lockheed Martin Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 123990-30 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 123990-30?
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 123990-30?
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.