Shallco, Inc. · Electronic Components
3421
Attenuator, Variable
Part Number3421
ManufacturerShallco, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-679-0722 (NSN)
Federal Item NameATTENUATOR,VARIABLE
Federal Supply Class5985 — Antennas and Waveguides
Overall Attenuation Accuracy In De-5.00 TO 5.00
Step Position Quantity10
Terminal Type And Quantity3 TAB, SOLDER LUG
Application DesignTRANSMISSION LINE
Impedance Rating In Ohms600.0 INPUT-OUTPUT
Mounting Thread Quantity32 PER INCH
Mounting Facility Nominal Screw Th0.164 INCHES
Overall Diameter0.344 INCHES NOMINAL
Power Rating1.5 WATTS AVERAGE
Overall Length3.000 INCHES NOMINAL
Mounting Facility Screw Thread SerUNIFIED NATIONAL COARSE (UNC)
Included Contact TypeCURVED PIN W/OUTSIDE LIP SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialPLASTIC SINGLE MATING END
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface TreatmentANODIZE
Shell MaterialALUMINUM ALLOY
Connector Cable Strain Relief MethCABLE CLAMP
Contact Maximum Current Rating In20.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum Dc Voltage Rating250.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodSHELL TWISTLOCK
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 3421 available?
We can source 3421 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 3421 by Shallco, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3421 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 3421?
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 3421?
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.