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218013560 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

218013560: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON SEAT, overall_height: 1.470 INCHES NOMINAL IN, special_features: FOR BALL VALVE, 6 GROOVES BY 60 DEG APART, 2 GROOVES BY 180 DEG APART, style_designator: PLAIN, body_inside_diameter: 1.938 INCHES NOMINAL IN, body_outside_diameter: 3.247 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-419-3671, 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
218013560
NSN: 4820-01-419-3671
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON SEAT
overall_height1.470 INCHES NOMINAL IN
special_featuresFOR BALL VALVE, 6 GROOVES BY 60 DEG APART, 2 GROOVES BY 180 DEG APART
style_designatorPLAIN
body_inside_diameter1.938 INCHES NOMINAL IN
body_outside_diameter3.247 INCHES NOMINAL IN
seating_surface_shapeFLAT
end_item_identificationSHIP,OHIO CLASS SSN; HP-159 AND HS-159 MANIFOLD
NSN4820-01-419-3671
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 218013560 · 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: 3.247 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 1.938 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON SEAT
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.470 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.247 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER1.938 INCHES NOMINAL IN
SPECIAL FEATURESFOR BALL VALVE, 6 GROOVES BY 60 DEG APART, 2 GROOVES BY 180 DEG APART
END ITEM IDENTIFICATIONSHIP,OHIO CLASS SSN; HP-159 AND HS-159 MANIFOLD
MATERIALPLASTIC POLYAMIDE NYLON SEAT
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 4
6406596Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
556-6406596-MFBC-B15Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C791-5601-MFBC-A15Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
C791-5601Reference 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 218013560?
218013560 is a SEAT,VALVE.
What parts can replace 218013560?
There are 4 known substitutes for 218013560: 6406596, 556-6406596-MFBC-B15, C791-5601-MFBC-A15 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 218013560?
218013560 is cataloged in the U.S. Government catalog under NSN 4820-01-419-3671. This indicates validated use in U.S. government and defense supply chains.
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