TE Connectivity · Electronic Components
D243
= BLOCK,HD SECT,D SER,TUBE
Part NumberD243
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote
Specifications
NSN4320-00-065-5640 (NSN)
Federal Item NameSLEEVE,SHAFT,PUMP
MaterialSTEEL CORROSION RESISTING OVERALL
Overall Length4.5625 INCHES NOMINAL
Special Features1 ADDITIONAL GROOVE ON EXTERNAL FLANGE,0.1250 IN. DP,0.0940 IN. W
Flange Width3.6880 INCHES NOMINAL
Left Internal Flange Hole Diameter1.0470 INCHES NOMINAL
Surface Finish125.0 MICROINCHES RIGHT END SURFACE OF BODY; 16.0 MICROINCHES LEFT END SURFACE OF BODY
Keyway Dimension0.0980 INCHES NOMINAL INTERNAL KEYWAY DEPTH; 0.2500 INCHES NOMINAL INTERNAL KEYWAY LENGTH
Corner ShapeSQUARE INSIDE LEFT CORNER; SQUARE OUTSIDE RIGHT CORNER
Lubricant Accommodation StyleGROOVED CIRCULAR
Body Inside Diameter1.6250 INCHES NOMINAL
Federal Supply Class4320 — Power And Hand Pumps
Cancelled NSN5910-00-418-8139 (cancelled)
NSN Cancelled Date28-APR-2010
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 D243 available?
We can source D243 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 D243 by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D243 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 D243?
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 D243?
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.