Lockheed Martin · Electronic Components
742821
Cable Assembly, Radio Frequency
Part Number742821
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5995-00-688-5647 (NSN)
Federal Item NameCABLE ASSEMBLY,RADIO FREQUENCY
Federal Supply Class5995 — Cable and Wire Assemblies
Style DesignatorINTERNAL AND EXTERNAL CONNECTOR
MaterialSTEEL FIRST POSITION CONDUCTOR SINGLE CONDUCTOR
Conductor Quantity1
Conductor FormSOLID SINGLE CONDUCTOR
Terminal Manufacturer Identifying2675 SECOND END ALL CONDUCTORS
Electrical Resistance88.00 OHMS IMPEDANCE AND 98.00 OHMS IMPEDANCE
Conductor Arrangement And Quantity1 COAXIAL
Cross Section Outside Diameter0.250 INCHES NOMINAL
Material Document And ClassificatiQQ-W-345 FED SPEC ALL MATERIAL RESPONSES FIRST POSITION CONDUCTOR SINGLE CONDUCTOR
Termination TypeCONNECTOR PLUG FIRST END SINGLE CONDUCTOR
Cross Sectional Shape StyleROUND
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 742821 available?
We can source 742821 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 742821 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 742821 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 742821?
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 742821?
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.