Circor Naval Solutions · Electronic Components
OO-1
Insulator, Disk
Part NumberOO-1
ManufacturerCircor Naval Solutions
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-644-0199 (NSN)
Federal Item NameINSULATOR,DISK
Federal Supply Class5970 — Electrical Insulators
First Hole Diameter5.500 INCHES NOMINAL5.500 INCHES NOMINAL
Style DesignatorDRILLED, FLATDRILLED, FLAT
MaterialPLASTIC PHENOL FORMALDEHYDE (PMO) OVERALLPLASTIC PHENOL FORMALDEHYDE (PMO) OVERALL
Outside Diameter8.469 INCHES NOMINAL8.469 INCHES NOMINAL
First Hole Spacing3.625 INCHES NOMINAL3.625 INCHES NOMINAL
Second Hole Spacing7.250 INCHES NOMINAL7.250 INCHES NOMINAL
Overall Height0.250 INCHES NOMINAL0.250 INCHES NOMINAL
Second Hole Diameter0.625 INCHES NOMINAL0.625 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 OO-1 available?
We can source OO-1 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 OO-1 by Circor Naval Solutions obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If OO-1 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 OO-1?
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 OO-1?
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.