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Technical Data Sheet
PartsTable / COMPONENT / N-11263-1 PIECE 19/4IN.

N-11263-1 PIECE 19/4IN. — Technical Data Sheet

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— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, special_features: WATER SERVICE CLASS AAA TRIM, seating_surface_shape: FLAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-117-2813, 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
N-11263-1 PIECE 19/4IN.
NSN: 4820-01-117-2813
FSC: 4820
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresWATER SERVICE CLASS AAA TRIM
seating_surface_shapeFLAT
NSN4820-01-117-2813
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N-11263-1 PIECE 19/4IN. · 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
•
SEATING SURFACE SHAPE: FLAT
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SEATING SURFACE SHAPEFLAT
SPECIAL FEATURESWATER SERVICE CLASS AAA TRIM
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
38-44InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
G309471-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2234-000-A000-6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
70-100-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2681140-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
677-0606-010InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N-11263-1 PIECE 19/4IN.?
N-11263-1 PIECE 19/4IN. is a SEAT,VALVE.
What parts can replace N-11263-1 PIECE 19/4IN.?
There are 10 known substitutes for N-11263-1 PIECE 19/4IN.: 38-44, G309471-1, 2234-000-A000-6 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N-11263-1 PIECE 19/4IN.?
N-11263-1 PIECE 19/4IN. is cataloged in the Federal Logistics Information System under NSN 4820-01-117-2813. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026