PartsTable
Technical Data Sheet
Download PDF

516759-504 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

516759-504: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, flange_diameter: 1.812 INCHES NOMINAL IN, style_designator: PLAIN FLANGED, under_flange_height: 0.312 INCHES NOMINAL IN, body_inside_diameter: 0.812 INCHES NOMINAL IN, body_outside_diameter: 1.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-247-9925, 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
516759-504
NSN: 4820-00-247-9925
FSC: 4820 — Valves, Nonpowered
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
flange_diameter1.812 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
under_flange_height0.312 INCHES NOMINAL IN
body_inside_diameter0.812 INCHES NOMINAL IN
body_outside_diameter1.750 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.062 INCHES NOMINAL IN
NSN4820-00-247-9925
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 516759-504 · 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 SEAT TO DISK END HEIGHT: 0.062 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.812 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 0.812 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.312 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.062 INCHES NOMINAL IN
FLANGE DIAMETER1.812 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.750 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER0.812 INCHES NOMINAL IN
UNDER FLANGE HEIGHT0.312 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
Ready to buy 516759-504?
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 516759-504?
516759-504 is a SEAT,VALVE.
What is the NSN for 516759-504?
516759-504 is cataloged in the U.S. Government catalog under NSN 4820-00-247-9925. 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 — 516759-504

✓ 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.