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18E59-1 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

18E59-1: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, outside_diameter: 27.000 INCHES NOMINAL IN, style_designator: ROUND, aperture_diameter: 23.750 INCHES NOMINAL IN, overall_thickness: 0.938 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-129-7665, 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
18E59-1
NSN: 4810-01-129-7665
FSC: 4810 — Valves, Powered
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
outside_diameter27.000 INCHES NOMINAL IN
style_designatorROUND
aperture_diameter23.750 INCHES NOMINAL IN
overall_thickness0.938 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
mounting_hole_typeROUND, UNTHREADED
mounting_hole_diameter0.442 INCHES NOMINAL IN
bolt_circle_hole_quantity12
cross-sectional_shape_styleFLAT W/APERTURE
mounting_bolt_circle_diameter26.000 INCHES NOMINAL IN
mounting_hole_arrangement_styleSINGLE BOLT HOLE CIRCLE
NSN4810-01-129-7665
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18E59-1 · 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
SUBSTITUTES & CROSS-REFERENCES 2
18E59Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
10109173Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 18E59-1?
18E59-1 is a PLATE,RETAINING,BEARING.
What parts can replace 18E59-1?
There are 2 known substitutes for 18E59-1: 18E59, 10109173. Substitute compatibility should be verified for your specific system.
What is the NSN for 18E59-1?
18E59-1 is cataloged in the U.S. Government catalog under NSN 4810-01-129-7665. 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.