Northrop Grumman Systems · Electronic Components
4400B0620
Crystal Unit, Quartz
Part Number4400B0620
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5955-00-811-7886 (NSN)
Federal Item NameCRYSTAL UNIT,QUARTZ
Federal Supply Class5955 — Crystals and Oscillators
Terminal Length0.250 INCHES MAXIMUM
Body Width0.402 INCHES MAXIMUM
Frequency Tolerance For Operating-0.005 TO 0.005 AND -0.0010 TO 0.0010
MaterialGLASS COVER HOLDER
Overall Thickness0.183 INCHES MAXIMUM
Body Length0.530 INCHES MAXIMUM
Specified Frequency47.08333 MEGAHERTZ
Center To Center Distance Between0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
Equivalent Resistance Value In Ohm30.0 MAXIMUM
Body Thickness0.150 INCHES MAXIMUM
Circuit ResonanceSERIES RESONANCE
Vendor Part Numbers4400B0620-1, 1011-1, B251-10-1
Cancelled NSN5955-01-278-9955 (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 4400B0620 available?
We can source 4400B0620 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 4400B0620 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4400B0620 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 4400B0620?
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 4400B0620?
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.