The Boeing Company · Electronic Components
4040B
Resistance Standard
Part Number4040B
ManufacturerThe Boeing Company
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-097-0425 (NSN)
Federal Item NameRESISTANCE STANDARD
Federal Supply Class6625 — Test Instruments
Terminal TypeSCREW
Terminal Location ConfigurationON 2 ARMS WHICH ARE MOUNTED ON TOP
Terminal Quantity4
Overall Width1.875 INCHES NOMINAL
Resistance Tolerance In Percent-0.01 TO 0.01
Overall Length4.000 INCHES NOMINAL
Overall Height7.000 INCHES NOMINAL
Electrical Resistance10.0 KILOHMS
Vendor Part Numbers8616293
Cancelled NSN6625-00-540-8842 (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 4040B available?
We can source 4040B 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 4040B by The Boeing Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4040B 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 4040B?
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 4040B?
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.