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AV279730 — DIAPHRAGM,ACTUATOR VALVE,SPECIAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

AV279730: DIAPHRAGM,ACTUATOR VALVE,SPECIAL.

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include face_width: 2.750 INCHES NOMINAL IN, shaft_type: SHOULDERED, helix_angle: 30.0000 DEGREES, gear_material: STEEL, overall_length: 25.062 INCHES NOMINAL IN, shaft_material: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-507-7333, 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
AV279730
NSN: 4810-01-507-7333
NIINs: 015077333, 015077343, 015077357, 015077513, 015077515, 015077521, 015077522
FSC: 4810 — Valves, Powered
CAGE: 04845 — AUTOMATIC SWITCH COMPANY DBA ASCO (USA)
SPECIFICATIONS
face_width2.750 INCHES NOMINAL IN
shaft_typeSHOULDERED
helix_angle30.0000 DEGREES
gear_materialSTEEL
overall_length25.062 INCHES NOMINAL IN
shaft_materialSTEEL
teeth_quantity35
special_featuresKEYWAY BOTH ENDS
NSN4810-01-507-7333
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AV279730 · 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
SUBSTITUTES & CROSS-REFERENCES 3
AV279730-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
AV279730 P/N AV279730-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
AV279730-012Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AV279730?
AV279730 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What parts can replace AV279730?
There are 3 known substitutes for AV279730: AV279730-12, AV279730 P/N AV279730-12, AV279730-012. Substitute compatibility should be verified for your specific system.
What is the NSN for AV279730?
AV279730 is cataloged in the U.S. Government catalog under NSN 4810-01-507-7333. 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.