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8541-004-062 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8541-004-062: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, flange_diameter: 3.000 INCHES NOMINAL IN, style_designator: PLAIN FLANGED, under_flange_height: 0.105 INCHES MAXIMUM IN, body_inside_diameter: 2.500 INCHES NOMINAL IN, body_outside_diameter: 2.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-234-8454, 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
8541-004-062
NSN: 4820-01-234-8454
NIINs: 012348454, 013424193
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
flange_diameter3.000 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
under_flange_height0.105 INCHES MAXIMUM IN
body_inside_diameter2.500 INCHES NOMINAL IN
body_outside_diameter2.875 INCHES NOMINAL IN
seating_surface_shapeO-RING
end_item_identification2.50IPS GATE VALVE
flange_seat_to_disk_end_height0.3175 INCHES NOMINAL IN
material_document_and_classificationASTM A376 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
reference_number_differentiating_characteristicsMAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
NSN4820-01-234-8454
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8541-004-062 · 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
•
MATERIAL: STEEL CORROSION RESISTING BODY
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSTELITE FACED;USED ON 2 INCH GATE VALVE IN
MATERIALSTEEL CORROSION RESISTING BODY
SUBSTITUTES & CROSS-REFERENCES 2
8541-004-002Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
83309-42Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8541-004-062?
8541-004-062 is a SEAT,VALVE.
What parts can replace 8541-004-062?
There are 2 known substitutes for 8541-004-062: 8541-004-002, 83309-42. Substitute compatibility should be verified for your specific system.
What is the NSN for 8541-004-062?
8541-004-062 is cataloged in the U.S. Government catalog under NSN 4820-01-234-8454. This indicates validated use in U.S. government and defense supply chains.
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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.