The Boeing Company · Electronic Components
421-0226-059
Mounting Pad, Electrical
Part Number421-0226-059
ManufacturerThe Boeing Company
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-875-0819 (NSN)
Federal Item NameMOUNTING PAD,ELECTRICAL-ELECTRON
Federal Supply Class5999 — Miscellaneous Electrical Components
Material Document And ClassificatiMIL-M-14F,TYPE SDG MIL SPEC SINGLE MATERIAL RESPONSE
Mounting Slot Length0.045 INCHES NOMINAL ALL MOUNTING FACILITIES
Accommodated Device Mounting Hole4
Mounting Facility Type And Quantit4 SLOT ALL MOUNTING FACILITIES
MaterialPLASTIC DIALLYL PHTHALATE MINERAL FILLED
Overall Diameter0.300 INCHES NOMINAL
Overall Height0.140 INCHES NOMINAL
ColorBLACK
Vendor Part Numbers30-754-526-02
Cancelled NSN5961-00-101-9638 (cancelled)
ESD/EMICode B — 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 421-0226-059 available?
We can source 421-0226-059 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 421-0226-059 by The Boeing Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 421-0226-059 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 421-0226-059?
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 421-0226-059?
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.