Halsit Holdings LLC · Electronic Components
J303-4
Jack, Tip — Connectors, Electrical
Part NumberJ303-4
ManufacturerHalsit Holdings LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-259-0212 (NSN)
Federal Item NameJACK,TIP
Federal Supply Class5935 — Connectors, Electrical
Nominal Thread Size0.250 INCHES
MaterialPLASTIC CAP
Thread Quantity Per Inch32
Accommodated Finger TypeTEST PROD SINGLE FINGER
Terminal TypeTAB, SOLDER LUG
Thread Series DesignatorUNEF
Identification Code ColorRED
Thread Class2A
Thread DirectionRIGHT-HAND
Electrical Insulation FeatureINSULATED COMPLETELY
Vendor Part Numbers55A2705ITEM12
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 J303-4 available?
We can source J303-4 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 J303-4 by Halsit Holdings LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If J303-4 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 J303-4?
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 J303-4?
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.