Julie Research Laboratories Inc. Optimation Div · Electronic Components
NB501
Resistor, Fixed, Wire Wound
Part NumberNB501
ManufacturerJulie Research Laboratories Inc. Optimation Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-266-0815 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Electrical Resistance50.000 OHMS
Resistance Tolerance In Percent-0.005 TO 0.005
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 NB501 available?
We can source NB501 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 NB501 by Julie Research Laboratories Inc. Optimation Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If NB501 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 NB501?
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 NB501?
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.