Pax Mfg Corp. Hammarlund Mfg Co Div · Electronic Components
31251
Transformer, Radio Frequency
Part Number31251
ManufacturerPax Mfg Corp. Hammarlund Mfg Co Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-268-8986 (NSN)
Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Coil Form TypeHOLLOW SINGLE COMPONENT
Body Outside Diameter0.500 INCHES NOMINAL
Inclosure TypeOPEN
Winding Function And Quantity1 PRIMARY SINGLE COMPONENT
Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE GROUP
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Frequency Rating3.45 MEGAHERTZ MINIMUM AND 7.4 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Body Length1.438 INCHES NOMINAL
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type And Quantity3 TAB, SOLDER LUG
Cancelled NSN5950-00-387-1344 (cancelled)
Mounting Tongue Width0.469 INCHES
MaterialCOPPER OVERALL
Conductor Accommodation TypeRECESSED BARREL SINGLE END
Electrical Insulation FeatureUNINSULATED
Surface TreatmentTIN OVERALL SINGLE LAYER
Material Thickness0.033 INCHES
Overall Width0.469 INCHES
Basic Shape StyleCRIMP
Overall Length1.009 INCHES
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 31251 available?
We can source 31251 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 31251 by Pax Mfg Corp. Hammarlund Mfg Co Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 31251 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 31251?
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 31251?
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.