PartsTable
Technical Data Sheet
H291 ✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

VALVE,REGULATING,FLUID PRESSURE. Key specifications include color: RED LENS, filter: NOT INCLUDED, material: PLASTIC LENS, body_style: STRAIGHT THRU, overall_height: 0.781 INCHES NOMINAL IN, mounting_method: THREAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-287-2718, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
H291
NSN: 4820-00-287-2718
FSC: 4820
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
colorRED LENS
filterNOT INCLUDED
materialPLASTIC LENS
body_styleSTRAIGHT THRU
overall_height0.781 INCHES NOMINAL IN
mounting_methodTHREAD
regulation_typeMANUAL SINGLE STAGE
overall_diameter0.625 INCHES NOMINAL IN
special_featuresLIQUID FORM; 1 GALLON BOTTLE
surface_conditionSMOOTH FACE
valve_stem_designSINGLE SEAT
effective_diameter0.625 INCHES NOMINAL IN
NSN4820-00-287-2718
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: H291 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
FIRST END FLANGE OUTSIDE DIAMETER: 6.500 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNED: AIR
FIRST END FLANGE SHAPE STYLE: ROUND W/ BOLT HOLES
FIRST END BOLT HOLE DIAMETER: 0.688 INCHES NOMINAL IN
FIRST END STYLE DESIGNATOR: RAISED
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
BODY STYLE: STRAIGHT THRU
FIRST END BOLT CIRCLE DIAMETER: 5.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END FLANGE OUTSIDE DIAMETER6.500 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDAIR
FIRST END FLANGE SHAPE STYLEROUND W/ BOLT HOLES
FIRST END BOLT HOLE DIAMETER0.688 INCHES NOMINAL IN
FIRST END STYLE DESIGNATORRAISED
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
FIRST END BOLT CIRCLE DIAMETER5.000 INCHES NOMINAL IN
FIRST END CONNECTION TYPERAISED FACE FLANGE
FIRST END BOLT HOLE QUANTITY8
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
302-1020P1Interchangeable
interchangeable cross-reference
interchangeable
H291Interchangeable
interchangeable cross-reference
interchangeable
53-0991-000Interchangeable
interchangeable cross-reference
interchangeable
SE8797Interchangeable
interchangeable cross-reference
interchangeable
T227Interchangeable
interchangeable cross-reference
interchangeable
5189Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H291?
H291 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace H291?
There are 12 known substitutes for H291: 302-1020P1, H291, 53-0991-000 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H291?
H291 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-287-2718. This indicates validated use in U.S. government and defense supply chains.
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