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11919-2 — DIAPHRAGM,ACTUATOR VALVE,SPECIAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

11919-2: DIAPHRAGM,ACTUATOR VALVE,SPECIAL.

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: STEEL CORROSION RESISTING, overall_height: 0.375 INCHES NOMINAL IN, outside_diameter: 6.720 INCHES NOMINAL IN, special_features: CIRCLULAR GROOVE AT DIAPHRAGM CENTER,GROOVE OD 0.690 IN.,GROOVE WIDTH 0.140 IN.,GROOVE DEPTH 0.100 IN. IN, style_designator: SPECIAL SHAPED.

This part is cataloged in the U.S. Government catalog under NSN 4820-00-393-4299, 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
11919-2
NSN: 4820-00-393-4299
NIINs: 003934299, 006313367
FSC: 4820 — Valves, Nonpowered
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_height0.375 INCHES NOMINAL IN
outside_diameter6.720 INCHES NOMINAL IN
special_featuresCIRCLULAR GROOVE AT DIAPHRAGM CENTER,GROOVE OD 0.690 IN.,GROOVE WIDTH 0.140 IN.,GROOVE DEPTH 0.100 IN. IN
style_designatorSPECIAL SHAPED
NSN4820-00-393-4299
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 11919-2 · 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
•
OUTSIDE DIAMETER: 6.720 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPECIAL SHAPED
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.375 INCHES NOMINAL IN
OUTSIDE DIAMETER6.720 INCHES NOMINAL IN
STYLE DESIGNATORSPECIAL SHAPED
SPECIAL FEATURESCIRCLULAR GROOVE AT DIAPHRAGM CENTER,GROOVE OD 0.690 IN.,GROOVE WIDTH 0.140 IN.,GROOVE DEPTH 0.100 IN. IN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 2
51952Reference document
Same NSN cross-reference
Reference document — Secondary reference
11919-200Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 11919-2?
11919-2 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace 11919-2?
There are 2 known substitutes for 11919-2: 51952, 11919-200. Substitute compatibility should be verified for your specific system.
What is the NSN for 11919-2?
11919-2 is cataloged in the U.S. Government catalog under NSN 4820-00-393-4299. 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.