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556-7015838-13 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

556-7015838-13: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON SEAT, special_features: 1.000 INCH THICK IN, end_item_identification: E/I:MANIFOLD ASSY.W/S:LOS ANGELES CLASS SSN (688). This part is cataloged in the U.S.

Government catalog under NSN 4820-01-494-0576, 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
556-7015838-13
NSN: 4820-01-494-0576
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON SEAT
special_features1.000 INCH THICK IN
end_item_identificationE/I:MANIFOLD ASSY.W/S:LOS ANGELES CLASS SSN (688)
NSN4820-01-494-0576
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 556-7015838-13 · 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: PLASTIC POLYAMIDE NYLON SEAT
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES1.000 INCH THICK IN
END ITEM IDENTIFICATIONE/I:MANIFOLD ASSY.W/S:LOS ANGELES CLASS SSN (688)
MATERIALPLASTIC POLYAMIDE NYLON SEAT
SUBSTITUTES & CROSS-REFERENCES 2
H791-5601-13Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7015838Reference 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 556-7015838-13?
556-7015838-13 is a SEAT,VALVE.
What parts can replace 556-7015838-13?
There are 2 known substitutes for 556-7015838-13: H791-5601-13, 7015838. Substitute compatibility should be verified for your specific system.
What is the NSN for 556-7015838-13?
556-7015838-13 is cataloged in the U.S. Government catalog under NSN 4820-01-494-0576. This indicates validated use in U.S. government and defense supply chains.
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