Northrop Grumman Systems · Electronic Components
56-057859-01
Insulator, Bushing
Part Number56-057859-01
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-091-5499 (NSN)
Federal Item NameINSULATOR,BUSHING
Federal Supply Class5970 — Electrical Insulators
Unable To DecodeUNABLE TO DECODE
Inside Diameter0.140 INCHES NOMINAL
Shank Outside Diameter0.185 INCHES NOMINAL
Environmental ProtectionFUNGUS RESISTANT AND HEAT RESISTANT
Outside Diameter0.307 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
Overall Height0.181 INCHES NOMINAL
Style DesignatorSHOULDER
Shank Height0.050 INCHES NOMINAL
Vendor Part Numbers2634-18550-PH140
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 56-057859-01 available?
We can source 56-057859-01 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 56-057859-01 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 56-057859-01 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 56-057859-01?
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 56-057859-01?
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.