Crane Pumps & Systems PFT · Electronic Components
21242
Boot, Dust And Moisture Seal
Part Number21242
ManufacturerCrane Pumps & Systems PFT
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-579-2041 (NSN)
Federal Item NameBOOT,DUST AND MOISTURE SEAL
Federal Supply Class5930 — Switches
Sealing MethodMECHANICAL
Style DesignatorTHRU-HOLE
Body Outside Diameter2.080 INCHES NOMINAL
MaterialRUBBER BODY
Opening Inside Diameter2.000 INCHES NOMINAL
Overall Height0.625 INCHES NOMINAL
Vendor Part Numbers56516SAPC6
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 21242 available?
We can source 21242 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 21242 by Crane Pumps & Systems PFT obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21242 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 21242?
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 21242?
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.