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31440063 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

31440063: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SEAT, overall_height: 0.270 INCHES NOMINAL IN, style_designator: PLAIN, body_inside_diameter: 1.280 INCHES NOMINAL IN, body_outside_diameter: 1.750 INCHES NOMINAL IN, seating_surface_shape: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-232-2431, 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
31440063
NSN: 4810-01-232-2431
FSC: 4810 — Valves, Powered
CAGE: 05167 — MEGGITT SAFETY SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SEAT
overall_height0.270 INCHES NOMINAL IN
style_designatorPLAIN
body_inside_diameter1.280 INCHES NOMINAL IN
body_outside_diameter1.750 INCHES NOMINAL IN
seating_surface_shapeO-RING
NSN4810-01-232-2431
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 31440063 · 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
•
BODY OUTSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 1.280 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING SEAT
•
SEATING SURFACE SHAPE: O-RING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.270 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER1.280 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING SEAT
SEATING SURFACE SHAPEO-RING
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 31440063?
31440063 is a SEAT,VALVE.
What is the NSN for 31440063?
31440063 is cataloged in the U.S. Government catalog under NSN 4810-01-232-2431. 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.