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18-31F3-ITEM 5 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

18-31F3-ITEM 5: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, pressure_rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, special_features: FEMALE,FINAL MACHINING; FOR 3IN. GATE VALVE IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-310-6987, 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
18-31F3-ITEM 5
NSN: 4820-01-310-6987
FSC: 4820 — Valves, Nonpowered
CAGE: 11859 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
pressure_rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
special_featuresFEMALE,FINAL MACHINING; FOR 3IN. GATE VALVE IN
NSN4820-01-310-6987
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18-31F3-ITEM 5 · 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
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
PRESSURE RATING150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
SPECIAL FEATURESFEMALE,FINAL MACHINING; FOR 3IN. GATE VALVE IN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 1
18-31F3Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 18-31F3-ITEM 5?
18-31F3-ITEM 5 is a DISK,VALVE.
What parts can replace 18-31F3-ITEM 5?
There is 1 known substitute for 18-31F3-ITEM 5: 18-31F3. Substitute compatibility should be verified for your specific system.
What is the NSN for 18-31F3-ITEM 5?
18-31F3-ITEM 5 is cataloged in the U.S. Government catalog under NSN 4820-01-310-6987. 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.