Lockheed Martin · Electronic Components
1621549
Network, Phase Changing
Part Number1621549
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5915-00-938-8557 (NSN)
Federal Item NameNETWORK,PHASE CHANGING
Federal Supply Class5915 — Filters and Networks
RohscompliantY-EX
Ip RatingIP67, IP68
Circular Contact Type-
Hazardousfalse
RohsphthalatescompliantYES
No Of Contacts13 Contacts
Coupling Style-
Product RangeM23 Hybrid Series
IscanonicalY
Connector Body Plating-
SvhcLead (04-Feb-2026)
Contact Material-
Circular Connector Shell StyleCable Mount Plug
Connector Body Material-
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 1621549 available?
We can source 1621549 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 1621549 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1621549 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 1621549?
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 1621549?
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.