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R431000488 — DIAPHRAGM,ACTUATOR VALVE,SPECIAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

R431000488: DIAPHRAGM,ACTUATOR VALVE,SPECIAL.

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: RUBBER, bead_diameter: 2.250 INCHES NOMINAL IN, outside_diameter: 3.250 INCHES NOMINAL IN, style_designator: SPECIAL SHAPED, material_thickness: 0.125 INCHES NOMINAL IN, center_hole_diameter: 0.688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-459-6409, 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
R431000488
NSN: 4820-00-459-6409
FSC: 4820 — Valves, Nonpowered
CAGE: 7AJK0 — AVENTICS CORP DIV AVENTICS CORPORATION (USA)
SPECIFICATIONS
materialRUBBER
bead_diameter2.250 INCHES NOMINAL IN
outside_diameter3.250 INCHES NOMINAL IN
style_designatorSPECIAL SHAPED
material_thickness0.125 INCHES NOMINAL IN
center_hole_diameter0.688 INCHES NOMINAL IN
NSN4820-00-459-6409
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: R431000488 · 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
•
BEAD DIAMETER: 2.250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPECIAL SHAPED
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.688 INCHES NOMINAL IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
BEAD DIAMETER2.250 INCHES NOMINAL IN
OUTSIDE DIAMETER3.250 INCHES NOMINAL IN
STYLE DESIGNATORSPECIAL SHAPED
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.688 INCHES NOMINAL IN
MATERIALRUBBER
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
P5102-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is R431000488?
R431000488 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace R431000488?
There is 1 known substitute for R431000488: P5102-1. Substitute compatibility should be verified for your specific system.
What is the NSN for R431000488?
R431000488 is cataloged in the U.S. Government catalog under NSN 4820-00-459-6409. 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.