MIL-SPEC · Electronic Components
5685
Electron Tube
Part Number5685
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5960-00-262-0172 (NSN)
Federal Item NameELECTRON TUBE
Federal Supply Class5960 — Electron Tubes
Tube TypeTHYRATRON
Nondefinitive Spec Std Data5685 TYPE
Overall Height1.375 INCHES MAXIMUM
Overall Length7.255 INCHES NOMINAL
Overall Width4.000 INCHES NOMINAL
Electrical Power Source RelationshOPERATING
Operating Ambient Temp Range-55.0 TO 80.0 CELSIUS
Vendor Part Numbers270-0287-040
Conductor FormBRAID, FLAT ALL CONDUCTORS
Strand Quantity Per Conductor19 ALL CONDUCTORS
MaterialPLASTIC POLYURETHANE FIFTH POSITION JACKET CABLE
Round Conductor Size16 AWG ALL CONDUCTORS
Strand Awg Size Per Conductor29 ALL CONDUCTORS
Temp Rating-40.0 CELSIUS AND 80.0 CELSIUS
Conductor Quantity4
ESD/EMICode A — ESD/EMI sensitive item
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 5685 available?
We can source 5685 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 5685 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5685 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 5685?
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 5685?
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.