MIL-SPEC · Electronic Components
7533
Electron Tube
Part Number7533
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5960-00-060-6632 (NSN)
Federal Item NameELECTRON TUBE
Federal Supply Class5960 — Electron Tubes
Nondefinitive Spec Std Data7533 TYPE
Tube TypeTRIODE
Overall Height0.062 INCHES NOMINAL
MaterialOVERALL GRADE XF BLACK BAKELITE
Third Hole Spacing1.125 INCHES NOMINAL
Overall Length3.437 INCHES NOMINAL
Fourth Hole Spacing1.250 INCHES NOMINAL
Style DesignatorFLAT, RECTANGULAR
Overall Width1.687 INCHES NOMINAL
First Hole Diameter0.187 INCHES NOMINAL
First Hole Spacing1.531 INCHES NOMINAL
Second Hole Spacing0.312 INCHES NOMINAL
Flange Inside Height0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM FIRST FLANGE
Waveguide Longer Offset Distance1.667 INCHES MINIMUM AND 1.707 INCHES MAXIMUM
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Waveguide Inside Width0.747 INCHES MINIMUM AND 0.753 INCHES MAXIMUM
Flange Inside Width0.747 INCHES MINIMUM AND 0.753 INCHES MAXIMUM FIRST FLANGE
Thread DirectionRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES
Flange Depth0.376 INCHES MINIMUM AND 0.406 INCHES MAXIMUM SECOND FLANGE
Thread Class2B FIRST FLANGE ALL CONNECTION FACILITIES
Flange Quantity2
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 7533 available?
We can source 7533 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 7533 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 7533 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 7533?
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 7533?
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.