Harris · Electronic Components
H291
VALVE,REGULATING,FLUID PRESSURE — NSN 4820-00-287-2718
Part NumberH291
ManufacturerHarris
AvailabilityAvailable to order — request a quote
Specifications
NSN4820-00-287-2718 (NSN)
Additional NSNs6210-00-299-6122
Federal Item NameVALVE,REGULATING,FLUID PRESSURE
MaterialSTEEL CORROSION RESISTING SEAT; STEEL CORROSION RESISTING FLOW CONTROL DEVICE
Body StyleSTRAIGHT THRU
First End Flange Outside Diameter6.500 INCHES NOMINAL
Media For Which DesignedAIR LOCATION NOT OTHERWISE SPECIFIED
Second End Relationship With FirstIDENTICAL
Face To Face Distance15.125 INCHES NOMINAL
Regulation TypeMANUAL SINGLE STAGE
First End Bolt Circle Diameter5.000 INCHES NOMINAL
First End Connection TypeRAISED FACE FLANGE
Outlet Pressure Range+5.0 TO 595.0 POUNDS PER SQUARE INCH (PSI)
Federal Supply Class4820 — Valves, Nonpowered
Cancelled NSN6810-00-974-3631 (cancelled)
NSN Cancelled Date29-AUG-2022
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 H291 available?
We can source H291 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 H291 by Harris obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If H291 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 H291?
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 H291?
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.