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MV-31F6 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

MV-31F6: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, temp_rating: 800.0 FAHRENHEIT NOMINAL DEGF, hardness_rating: 38.0 ROCKWELL C MINIMUM SEAT, pressure_rating: 285.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS, special_features: WITH STELLITE NO. 6, style_designator: SWING CHECK.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-243-1500, 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
MV-31F6
NSN: 4820-01-243-1500
NIINs: 012431500, 012433172, 012846123
FSC: 4820 — Valves, Nonpowered
CAGE: 61661 — NEWMANS INC NEW JERSEY DIV (USA)
SPECIFICATIONS
materialSTEEL
temp_rating800.0 FAHRENHEIT NOMINAL DEGF
hardness_rating38.0 ROCKWELL C MINIMUM SEAT
pressure_rating285.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
special_featuresWITH STELLITE NO. 6
style_designatorSWING CHECK
end_item_identificationNEWMANS INC,VALVE,FIGURE 31FCB-3
general_characteristics_item_descriptionSTEEL,ASTM A182 GRADE F6A
NSN4820-01-243-1500
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MV-31F6 · 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: 285.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
TEMP RATING: 800.0 FAHRENHEIT NOMINAL DEGF
•
STYLE DESIGNATOR: SWING CHECK
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
PRESSURE RATING285.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
TEMP RATING800.0 FAHRENHEIT NOMINAL DEGF
STYLE DESIGNATORSWING CHECK
SPECIAL FEATURESWITH STELLITE NO. 6
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MV-31F6?
MV-31F6 is a SEAT,VALVE.
What is the NSN for MV-31F6?
MV-31F6 is cataloged in the U.S. Government catalog under NSN 4820-01-243-1500. 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.