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SM0780 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SM0780: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316, valve_size: 3.000 INCHES IN, pressure_rating: 175.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, outside_diameter: 3.000 INCHES NOMINAL IN, style_designator: BUTTERFLY, mounting_facility: WAFER. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-399-0913, 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
SM0780
NSN: 4820-01-399-0913
NIINs: 013990913, 014284339, 014284448, 014284452
FSC: 4820 — Valves, Nonpowered
CAGE: 04613 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP (USA)
SPECIFICATIONS
materialSTEEL COMP 316
valve_size3.000 INCHES IN
pressure_rating175.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter3.000 INCHES NOMINAL IN
style_designatorBUTTERFLY
mounting_facilityWAFER
operating_pressure175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
valve_operation_methodMANUAL
end_item_identification3.000 IN. AR1/TRIM 088 VALVE IN
stem_actuating_end_typeFLATTED
furnished_items_and_quantity1 MOUNTING BRACKET
valve_size_for_which_designed3.000 INCHES IN
NSN4820-01-399-0913
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SM0780 · 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
•
STYLE DESIGNATOR: PLAIN FLANGED
•
MATERIAL: RUBBER BUNA N SEAT
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORPLAIN FLANGED
SPECIAL FEATURESINCLUDES O-RING
MATERIALRUBBER BUNA N SEAT
SUBSTITUTES & CROSS-REFERENCES 1
SM0780 8IN ITEM 4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SM0780?
SM0780 is a SEAT,VALVE.
What parts can replace SM0780?
There is 1 known substitute for SM0780: SM0780 8IN ITEM 4. Substitute compatibility should be verified for your specific system.
What is the NSN for SM0780?
SM0780 is cataloged in the U.S. Government catalog under NSN 4820-01-399-0913. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.