MIL-SPEC · Electronic Components
1631
Electron Tube
Part Number1631
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5960-00-116-9964 (NSN)
Federal Item NameELECTRON TUBE
Federal Supply Class5960 — Electron Tubes
Nondefinitive Spec Std Data1631 TYPE
Center To Center Distance Between1.938 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Adjustment Method And Quantity1 ADJUSTABLE CAPACITOR SINGLE COMPONENT
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Body Width2.750 INCHES NOMINAL
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Body Length4.000 INCHES NOMINAL
Inclosure TypeFULLY INCLOSED
Body Height2.000 INCHES NOMINAL
Frequency Rating2.0 MEGAHERTZ MINIMUM AND 4.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Mounting Slot Width0.125 INCHES NOMINAL SINGLE GROUP
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Vendor Part NumbersSA1631
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 1631 available?
We can source 1631 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 1631 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1631 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 1631?
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 1631?
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.