DRS Naval Power Systems · Electronic Components
4221-5
Contact Assembly, Electrical
Part Number4221-5
ManufacturerDRS Naval Power Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-418-1708 (NSN)
Federal Item NameCONTACT ASSEMBLY,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Height0.500 INCHES NOMINAL
Contact Item Name Assigned By GoveCONTACT ASSY
Overall Length0.750 INCHES NOMINAL
Overall Width0.375 INCHES NOMINAL
Contact Quantity3
Precious MaterialSILVER
Precious Material And LocationCONTACT SURFACES SILVER
Precious Material And Weight0.005 SILVER GRAINS, TROY
Structural DesignNONSWITCHING
Government Agency Controlling ContUSA AND USN
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 4221-5 available?
We can source 4221-5 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 4221-5 by DRS Naval Power Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4221-5 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 4221-5?
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 4221-5?
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.