PartsTable
Technical Data Sheet
Download PDF

9018-027-002 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

9018-027-002: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL SEAT, flange_diameter: 8.125 INCHES NOMINAL IN, special_features: USED ON 8IN VALVE,GATE IN, body_outside_diameter: 7.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-415-2561, 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
9018-027-002
NSN: 4820-01-415-2561
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL SEAT
flange_diameter8.125 INCHES NOMINAL IN
special_featuresUSED ON 8IN VALVE,GATE IN
body_outside_diameter7.125 INCHES NOMINAL IN
NSN4820-01-415-2561
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9018-027-002 · 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
•
FLANGE DIAMETER: 8.125 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 7.125 INCHES NOMINAL IN
•
MATERIAL: STEEL SEAT
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER8.125 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER7.125 INCHES NOMINAL IN
SPECIAL FEATURESUSED ON 8IN VALVE,GATE IN
MATERIALSTEEL SEAT
SUBSTITUTES & CROSS-REFERENCES 2
65N-8880-018 ITEM 5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
65N-8880-018Reference 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
Ready to buy 9018-027-002?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 9018-027-002?
9018-027-002 is a SEAT,VALVE.
What parts can replace 9018-027-002?
There are 2 known substitutes for 9018-027-002: 65N-8880-018 ITEM 5, 65N-8880-018. Substitute compatibility should be verified for your specific system.
What is the NSN for 9018-027-002?
9018-027-002 is cataloged in the U.S. Government catalog under NSN 4820-01-415-2561. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 9018-027-002

✓ 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.