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4820PL0893812 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4820PL0893812: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, overall_height: 0.343 INCHES NOMINAL IN, style_designator: PLAIN, seat_angle_in_deg: 40.000 MINIMUM AND 50.000 MAXIMUM, surface_treatment: ANODIZE OVERALL, body_inside_diameter: 0.312 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-863-8219, 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
4820PL0893812
NSN: 4820-00-863-8219
FSC: 4820 — Valves, Nonpowered
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
overall_height0.343 INCHES NOMINAL IN
style_designatorPLAIN
seat_angle_in_deg40.000 MINIMUM AND 50.000 MAXIMUM
surface_treatmentANODIZE OVERALL
body_inside_diameter0.312 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
body_outside_diameter0.502 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
seating_surface_shapeANGULAR
material_document_and_classificationQQ-A-225/8,ALLOY 6061,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4820-00-863-8219
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4820PL0893812 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
BODY OUTSIDE DIAMETER: 0.502 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8,ALLOY 6061,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.312 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
MATERIAL: ALUMINUM ALLOY OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.343 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
BODY OUTSIDE DIAMETER0.502 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,ALLOY 6061,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER0.312 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY OVERALL
SEAT ANGLE IN DEG40.000 MINIMUM AND 50.000 MAXIMUM
SEATING SURFACE SHAPEANGULAR
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
BUWEPSDWG1408268Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 4820PL0893812?
4820PL0893812 is a SEAT,VALVE.
What parts can replace 4820PL0893812?
There is 1 known substitute for 4820PL0893812: BUWEPSDWG1408268. Substitute compatibility should be verified for your specific system.
What is the NSN for 4820PL0893812?
4820PL0893812 is cataloged in the U.S. Government catalog under NSN 4820-00-863-8219. 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.