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911M518 — VALVE,BUTTERFLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

911M518: VALVE,BUTTERFLY.

The VALVE,BUTTERFLY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, special_features: VALVE SIZE 12 IN. IN, style_designator: STRAIGHT THRU, mounting_facility: WAFER, valve_operation_method: HYDRAULIC.

This part is cataloged in the U.S. Government catalog under NSN 4810-01-212-6797, 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
911M518
NSN: 4810-01-212-6797
FSC: 4810 — Valves, Powered
CAGE: 91363 — NORRISEAL NORRIS VALUES DIV DBA DOVER CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
special_featuresVALVE SIZE 12 IN. IN
style_designatorSTRAIGHT THRU
mounting_facilityWAFER
valve_operation_methodHYDRAULIC
NSN4810-01-212-6797
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 911M518 · 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MOUNTING FACILITY: WAFER
•
MATERIAL: COPPER ALLOY BODY
•
VALVE OPERATION METHOD: HYDRAULIC
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT THRU
MOUNTING FACILITYWAFER
SPECIAL FEATURESVALVE SIZE 12 IN. IN
MATERIALCOPPER ALLOY BODY
MATERIALNICKEL ALLOY STEM
VALVE OPERATION METHODHYDRAULIC
SUBSTITUTES & CROSS-REFERENCES 3
12"R2030-64AA/W59204A151Reference document
Same NSN cross-reference
Reference document — Secondary reference
1036088Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
911-518Reference 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 911M518?
911M518 is a VALVE,BUTTERFLY.
What parts can replace 911M518?
There are 3 known substitutes for 911M518: 12"R2030-64AA/W59204A151, 1036088, 911-518. Substitute compatibility should be verified for your specific system.
What is the NSN for 911M518?
911M518 is cataloged in the U.S. Government catalog under NSN 4810-01-212-6797. 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.