MIL-SPEC · Electronic Components
AN3066-40
Locknut, Electrical Conduit
Part NumberAN3066-40
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5975-00-296-0539 (NSN)
Federal Item NameLOCKNUT,ELECTRICAL CONDUIT
Federal Supply Class5975 — Electrical Hardware and Supplies
Conduit Size Accommodated2.500 INCHES NOMINAL
Surface TreatmentCADMIUM
MaterialALUMINUM
Thread TypeSTRAIGHT
Overall Thickness0.250 INCHES NOMINAL
Drive TypeHEXAGON
Width Across Flats3.375 INCHES NOMINAL
Thread Size3-16
Cancelled NSN5310-00-995-9009 (cancelled)
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 AN3066-40 available?
We can source AN3066-40 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 AN3066-40 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AN3066-40 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 AN3066-40?
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 AN3066-40?
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.