Diodes Incorporated · Electronic Components
SR503
Part NumberSR503
ManufacturerDiodes Incorporated
AvailabilityIn stock — ships fast
Specifications
NSN5325-00-943-5395 (NSN)
Federal Item NameINSERT,SCREW THREAD
MaterialSTEEL COMP 630 OVERALL
Nominal Thread Size0.500 INCHES
Surface TreatmentPASSIVATE OVERALL
Material Document And ClassificatiAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorPLAIN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Insert Size0.562-24 UNEF
Thread Quantity Per Inch13
Length0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
Federal Supply Class5325 — Fastening Devices
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 SR503 in stock?
Yes — SR503 is in our stock database. Request a quote for current pricing and lead time.
Is SR503 by Diodes Incorporated obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SR503 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 SR503?
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 SR503?
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.