Herley Chicago · Electronic Components
E851857
Wavemeter — Test Instruments
Part NumberE851857
ManufacturerHerley Chicago
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-643-3144 (NSN)
Federal Item NameWAVEMETER
Federal Supply Class6625 — Test Instruments
Rectifier Type1N21B CRYSTAL
Calibration Accuracy RatingPORM 0.7 MC ACCURACY
Indicator TypeDIAL-COUNTER
Overall Height2.656 INCHES NOMINAL
Overall Length11.047 INCHES NOMINAL
Overall Width3.313 INCHES NOMINAL
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 E851857 available?
We can source E851857 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 E851857 by Herley Chicago obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If E851857 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 E851857?
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 E851857?
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.