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8533-505-031S — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8533-505-031S: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, taper_length: 5.120 INCHES NOMINAL IN, pressure_rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, special_features: STELLITE FACED ; USED ON A 4 IN. GATE VALVE IN, style_designator: SOLID WEDGE, taper_major_diameter: 2.303 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-423-1983, 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
8533-505-031S
NSN: 4820-01-423-1983
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
taper_length5.120 INCHES NOMINAL IN
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
special_featuresSTELLITE FACED ; USED ON A 4 IN. GATE VALVE IN
style_designatorSOLID WEDGE
taper_major_diameter2.303 INCHES NOMINAL IN
taper_minor_diameter1.000 INCHES NOMINAL IN
end_item_identificationNIMITZ CLASS CVN
NSN4820-01-423-1983
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8533-505-031S · 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
•
PRESSURE RATING: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
TAPER MINOR DIAMETER: 1.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID WEDGE
•
TAPER MAJOR DIAMETER: 2.303 INCHES NOMINAL IN
•
TAPER LENGTH: 5.120 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
PRESSURE RATING150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
TAPER MINOR DIAMETER1.000 INCHES NOMINAL IN
STYLE DESIGNATORSOLID WEDGE
TAPER MAJOR DIAMETER2.303 INCHES NOMINAL IN
TAPER LENGTH5.120 INCHES NOMINAL IN
SPECIAL FEATURESSTELLITE FACED ; USED ON A 4 IN. GATE VALVE IN
END ITEM IDENTIFICATIONNIMITZ CLASS CVN
MATERIALSTEEL CORROSION RESISTING
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8533-505-031S?
8533-505-031S is a DISK,VALVE.
What is the NSN for 8533-505-031S?
8533-505-031S is cataloged in the U.S. Government catalog under NSN 4820-01-423-1983. This indicates validated use in U.S. government and defense supply chains.
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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.