NAVAIR/NAVSEA Design Activity · Electronic Components
54A3A225-28-21S
Connector, Plug, Electrical
Part Number54A3A225-28-21S
ManufacturerNAVAIR/NAVSEA Design Activity
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-500-6918 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Environmental ProtectionWATERTIGHT
Mating End Quantity1
Cable Entrance Diameter1.365 INCHES MAXIMUM
Insert MaterialRUBBER SYNTHETIC SINGLE MATING END
Contact Position Arrangement Style28-21 SINGLE MATING END
Contact Maximum Dc Voltage Rating700.0 SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact Quantity37 SINGLE MATING END SINGLE CONTACT GROUPING
Thread Quantity Per Inch18
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size1.750 INCHES
Connector Locking MethodEXTERNALLY THREADED COUPLING NUT
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 54A3A225-28-21S available?
We can source 54A3A225-28-21S 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 54A3A225-28-21S by NAVAIR/NAVSEA Design Activity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 54A3A225-28-21S 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 54A3A225-28-21S?
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 54A3A225-28-21S?
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.