Oil States Industries · Electronic Components
1289521-105
Insulator, Plate
Part Number1289521-105
ManufacturerOil States Industries
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-297-9366 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
Overall Height0.120 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
Material Document And ClassificatiMIL-M-14, TYPE MSI-30 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC SILICONE AND GLASS FIBER OVERALL
Style DesignatorFLAT, RECTANGULAR
Overall Width0.720 INCHES NOMINAL
Overall Length2.400 INCHES NOMINAL
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 1289521-105 available?
We can source 1289521-105 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 1289521-105 by Oil States Industries obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1289521-105 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 1289521-105?
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 1289521-105?
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.