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8259-166-033-S — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8259-166-033-S: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, pressure_rating: 900.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, special_features: MATERIAL OF DISK IS F11-CHROMOLY ALLOY, style_designator: SOLID WEDGE, end_item_identification: W/S WASP CLASS HD,E/I:10INCH GATE VALVE 8890-920 IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-504-5728, 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
8259-166-033-S
NSN: 4820-01-504-5728
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL
pressure_rating900.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
special_featuresMATERIAL OF DISK IS F11-CHROMOLY ALLOY
style_designatorSOLID WEDGE
end_item_identificationW/S WASP CLASS HD,E/I:10INCH GATE VALVE 8890-920 IN
NSN4820-01-504-5728
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8259-166-033-S · 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: 900.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
STYLE DESIGNATOR: SOLID WEDGE
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
PRESSURE RATING900.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
STYLE DESIGNATORSOLID WEDGE
SPECIAL FEATURESMATERIAL OF DISK IS F11-CHROMOLY ALLOY
END ITEM IDENTIFICATIONW/S WASP CLASS HD,E/I:10INCH GATE VALVE 8890-920 IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
8890-920Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
8890-920 ITEM 05Same 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 8259-166-033-S?
8259-166-033-S is a DISK,VALVE.
What parts can replace 8259-166-033-S?
There are 2 known substitutes for 8259-166-033-S: 8890-920, 8890-920 ITEM 05. Substitute compatibility should be verified for your specific system.
What is the NSN for 8259-166-033-S?
8259-166-033-S is cataloged in the U.S. Government catalog under NSN 4820-01-504-5728. 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.