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2536-5-28 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

2536-5-28: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL SEAT, overall_height: 0.625 INCHES NOMINAL IN, style_designator: PLAIN, body_inside_diameter: 6.250 INCHES NOMINAL IN, body_outside_diameter: 8.250 INCHES NOMINAL IN, seating_surface_shape: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-251-5689, 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
2536-5-28
NSN: 4820-01-251-5689
FSC: 4820 — Valves, Nonpowered
CAGE: 85130 — FLOWSERVE CORPORATION DIV FLOWSERVE US INC (USA)
SPECIFICATIONS
materialSTEEL SEAT
overall_height0.625 INCHES NOMINAL IN
special_featuresNOTE: THIS MATERIAL IS IN ACCORDANCE WITH 0948-LP0-04507010; THE VALVE IS AN ASSEMBLY MIC LEVEL ONE; REF ENTIRE ASSY PER 4820-01-245-5438
style_designatorPLAIN
body_inside_diameter6.250 INCHES NOMINAL IN
body_outside_diameter8.250 INCHES NOMINAL IN
seating_surface_shapeO-RING
NSN4820-01-251-5689
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2536-5-28 · 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
•
BODY OUTSIDE DIAMETER: 8.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 6.250 INCHES NOMINAL IN
•
MATERIAL: STEEL SEAT
•
SEATING SURFACE SHAPE: O-RING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.625 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER8.250 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER6.250 INCHES NOMINAL IN
SPECIAL FEATURESNOTE: THIS MATERIAL IS IN ACCORDANCE WITH 0948-LP0-04507010; THE VALVE IS AN ASSEMBLY MIC LEVEL ONE; REF ENTIRE ASSY PER 4820-01-245-5438
MATERIALSTEEL SEAT
SEATING SURFACE SHAPEO-RING
SUBSTITUTES & CROSS-REFERENCES 2
2536-5Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
2536-5 PIECE 28Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2536-5-28?
2536-5-28 is a SEAT,VALVE.
What parts can replace 2536-5-28?
There are 2 known substitutes for 2536-5-28: 2536-5, 2536-5 PIECE 28. Substitute compatibility should be verified for your specific system.
What is the NSN for 2536-5-28?
2536-5-28 is cataloged in the U.S. Government catalog under NSN 4820-01-251-5689. 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.