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9017-016-209 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

9017-016-209: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flange_diameter: 6.688 INCHES NOMINAL IN, seat_angle_in_deg: 45.000 NOMINAL, body_inside_diameter: 5.625 INCHES NOMINAL IN, body_outside_diameter: 5.875 INCHES NOMINAL IN, seating_surface_shape: ANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-188-3592, 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
9017-016-209
NSN: 4820-01-188-3592
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flange_diameter6.688 INCHES NOMINAL IN
seat_angle_in_deg45.000 NOMINAL
body_inside_diameter5.625 INCHES NOMINAL IN
body_outside_diameter5.875 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN4820-01-188-3592
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9017-016-209 · 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: 6.688 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 5.875 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 5.625 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
•
SEATING SURFACE SHAPE: ANGULAR
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER6.688 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER5.875 INCHES NOMINAL IN
BODY INSIDE DIAMETER5.625 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
SUBSTITUTES & CROSS-REFERENCES 2
8870-024 ITEM 5DSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8870-024Reference 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 9017-016-209?
9017-016-209 is a SEAT,VALVE.
What parts can replace 9017-016-209?
There are 2 known substitutes for 9017-016-209: 8870-024 ITEM 5D, 8870-024. Substitute compatibility should be verified for your specific system.
What is the NSN for 9017-016-209?
9017-016-209 is cataloged in the U.S. Government catalog under NSN 4820-01-188-3592. 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.