Grimes Aerospace · Electronic Components
52-0556-1
Insulator, Washer
Part Number52-0556-1
ManufacturerGrimes Aerospace
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-00-890-5300 (NSN)
Federal Item NameINSULATOR,WASHER
Federal Supply Class5970 — Electrical Insulators
Style DesignatorROUND, FLAT
MaterialPLASTIC POLYHEXAMETHYLENE AMIDE OR PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OR PLASTIC POLYCAPROLACTAM OR PLASTIC POLYHEXA
Inside Diameter0.660 INCHES NOMINAL
Outside Diameter0.802 INCHES MINIMUM AND 0.812 INCHES MAXIMUM
Overall Height0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM
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 52-0556-1 available?
We can source 52-0556-1 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 52-0556-1 by Grimes Aerospace obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 52-0556-1 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 52-0556-1?
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 52-0556-1?
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.