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25A14 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

25A14: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, special_features: MAXIMUM TORQUE IN MILIMETER 550.0; HEXAGON SIZE IN MILIMETER 14.0, end_item_identification: NEXT HIGHER ASSEMBLY TORQUE WRENCH, PART NUMBER SQD-25-I, part_name_assigned_by_controlling_agency: ALLEN KEY DRIVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-289-9602, 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
25A14
NSN: 4820-01-289-9602
NIINs: 012899602, 015249306
FSC: 4820 — Valves, Nonpowered
CAGE: 39305 — ITT MCDONNELL-MILLER A UNIT OF ITT FLUID HANDLING DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
special_featuresMAXIMUM TORQUE IN MILIMETER 550.0; HEXAGON SIZE IN MILIMETER 14.0
end_item_identificationNEXT HIGHER ASSEMBLY TORQUE WRENCH, PART NUMBER SQD-25-I
part_name_assigned_by_controlling_agencyALLEN KEY DRIVE
NSN4820-01-289-9602
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 25A14 · 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
•
BODY OUTSIDE DIAMETER: 0.875 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.719 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.875 INCHES NOMINAL IN
MATERIALNICKEL ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
25A16Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 25A14?
25A14 is a SEAT,VALVE.
What parts can replace 25A14?
There is 1 known substitute for 25A14: 25A16. Substitute compatibility should be verified for your specific system.
What is the NSN for 25A14?
25A14 is cataloged in the U.S. Government catalog under NSN 4820-01-289-9602. 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.