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DF330636 FIND 19 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

DF330636 FIND 19: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL OVERALL, seat_radius: 0.406 INCHES NOMINAL IN, overall_height: 0.469 INCHES NOMINAL IN, style_designator: PLAIN, body_inside_diameter: 2.730 INCHES NOMINAL IN, body_outside_diameter: 3.983 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-370-7970, 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
DF330636 FIND 19
NSN: 4820-01-370-7970
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialPLASTIC ACETAL OVERALL
seat_radius0.406 INCHES NOMINAL IN
overall_height0.469 INCHES NOMINAL IN
style_designatorPLAIN
body_inside_diameter2.730 INCHES NOMINAL IN
body_outside_diameter3.983 INCHES NOMINAL IN
seating_surface_shapeRADIAL
NSN4820-01-370-7970
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: DF330636 FIND 19 · 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: 3.983 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 2.730 INCHES NOMINAL IN
•
SEAT RADIUS: 0.406 INCHES NOMINAL IN
•
MATERIAL: PLASTIC ACETAL OVERALL
•
SEATING SURFACE SHAPE: RADIAL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.469 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.983 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER2.730 INCHES NOMINAL IN
SEAT RADIUS0.406 INCHES NOMINAL IN
MATERIALPLASTIC ACETAL OVERALL
SEATING SURFACE SHAPERADIAL
SUBSTITUTES & CROSS-REFERENCES 3
801-6408779-19Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DF330636Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
801-6408779Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 DF330636 FIND 19?
DF330636 FIND 19 is a SEAT,VALVE.
What parts can replace DF330636 FIND 19?
There are 3 known substitutes for DF330636 FIND 19: 801-6408779-19, DF330636, 801-6408779. Substitute compatibility should be verified for your specific system.
What is the NSN for DF330636 FIND 19?
DF330636 FIND 19 is cataloged in the U.S. Government catalog under NSN 4820-01-370-7970. 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.