Pax Mfg Corp. Hammarlund Mfg Co Div · Electronic Components
31183-1
Transformer, Radio Frequency
Part Number31183-1
ManufacturerPax Mfg Corp. Hammarlund Mfg Co Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-647-7866 (NSN)
Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Transformer FunctionINPUT
Nominal Thread Size0.138 INCHES SINGLE GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Adjustment Method And Quantity2 ADJUSTABLE CAPACITOR SINGLE COMPONENT
Body Height3.875 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeOPEN
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating3.955 KILOHERTZ MAXIMUM SINGLE COMPONENT
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Thread Quantity Per Inch32 SINGLE GROUP
RohscompliantYES
Hazardousfalse
RohsphthalatescompliantYES
Rated Current6 A
Product Range-
IscanonicalY
No Of Positions3 Positions
SvhcNo SVHC (25-Jun-2025)
Pitch Spacing3.5 mm
GenderHeader
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 31183-1 available?
We can source 31183-1 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 31183-1 by Pax Mfg Corp. Hammarlund Mfg Co Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 31183-1 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 31183-1?
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 31183-1?
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.