Amphenol · Electronic Components
21-900855-003
Connector, Receptacle, Electrical
Part Number21-900855-003
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-506-3494 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Overall Length1.466 INCHES MINIMUM AND 1.522 INCHES MAXIMUM
Included Contact Quantity128 SINGLE MATING END ALL CONTACT GROUPINGS
Overall Height1.823 INCHES NOMINAL
Center To Center Distance Between1.375 INCHES NOMINAL
Distance Between Centerlines Of Mo1.375 INCHES NOMINAL
Terminal TypeFEMALE TERMINAL CONNECTION SINGLE MATING END ALL CONTACT GROUPINGS
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Distance From Mounting Shoulder To0.865 INCHES MINIMUM AND 0.921 INCHES MAXIMUM
Terminal LocationFRONT SINGLE MATING END ALL CONTACT GROUPINGS
Mating End Quantity1
Overall Width1.823 INCHES NOMINAL
Vendor Part Numbers356A1117P21
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 21-900855-003 available?
We can source 21-900855-003 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 21-900855-003 by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-900855-003 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 21-900855-003?
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 21-900855-003?
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.