Keystone Electronics · Electronic Components
8401
STDOFF HEX M/F 4-40 .500"L ALUM
Part Number8401
ManufacturerKeystone Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-087-1934 (NSN)
Federal Item NameCUSHION
Federal Supply Class5985 — Antennas and Waveguides
General Characteristics Item DescrMATL CONSIST OF GUM RUBBER,TAN,35 DURO PLUS OR MINUS 5; 2.250 IN. DIA; 0.050 IN. THK
Power Rating600.000 WATTS PEAK
Overall Length16.796 INCHES NOMINAL
Cooling MethodFORCED AIR
Style DesignatorCOAXIAL MOUNTED
Operating PositionHORIZONTAL
Frequency Range Rating+0.000 TO 3000.000 MEGAHERTZ
Impedance Rating In Ohms50.0 NOMINAL
Overall Width5.938 INCHES NOMINAL
Termination TypeCONNECTOR
Voltage Standing Wave Ratio1.10 AND 1.20
Voltage Standing Wave Ratio Freque+0.000 TO 1000.000 MEGAHERTZ AND +0.000 TO 3000.000 MEGAHERTZ
Cancelled NSN6625-01-150-1897 (cancelled)
Surface TreatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
Strand Awg Size Per Conductor33 SINGLE CONDUCTOR
Round Conductor Size25 AWG SINGLE CONDUCTOR
Cross Sectional Shape StyleROUND
Cross Section Outside Diameter0.200 INCHES NOMINAL
Conductor Arrangement And Quantity1 SINGLES
Conductor Quantity1
Strand Quantity Per Conductor7 SINGLE CONDUCTOR
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 8401 available?
We can source 8401 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 8401 by Keystone Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 8401 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 8401?
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 8401?
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.