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752-6405280-AY81 — PARTS KIT,HYDRAULIC-PNEUMATIC,LI

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

752-6405280-AY81: PARTS KIT,HYDRAULIC-PNEUMATIC,LI.

PARTS KIT,HYDRAULIC-PNEUMATIC,LI. Key specifications include model_number: 6405280, document_source: 53711, end_item_source: 53711, special_features: INCLUDES SPRING COMPRESSION, GUIDE ROD, ROD ACTUATOR, end_item_identification: SEAWOLF CLASS SSN. This part is cataloged in the U.S.

Government catalog under NSN 4810-01-424-6169, 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
752-6405280-AY81
NSN: 4810-01-424-6169
FSC: 4810 — Valves, Powered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
model_number6405280
document_source53711
end_item_source53711
special_featuresINCLUDES SPRING COMPRESSION, GUIDE ROD, ROD ACTUATOR
end_item_identificationSEAWOLF CLASS SSN
NSN4810-01-424-6169
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 752-6405280-AY81 · 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
•
END ITEM SOURCE: 53711
•
MODEL NUMBER: 6405280
•
DOCUMENT SOURCE: 53711
TECHNICAL CHARACTERISTICS
END ITEM SOURCE53711
MODEL NUMBER6405280
DOCUMENT SOURCE53711
SPECIAL FEATURESINCLUDES SPRING COMPRESSION, GUIDE ROD, ROD ACTUATOR
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
SUBSTITUTES & CROSS-REFERENCES 3
6405280Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
6405280 ASSY 81Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
DF 1706-338-AY81Reference document
Same NSN cross-reference
Reference document — Secondary 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 752-6405280-AY81?
752-6405280-AY81 is a PARTS KIT,HYDRAULIC-PNEUMATIC,LI.
What parts can replace 752-6405280-AY81?
There are 3 known substitutes for 752-6405280-AY81: 6405280, 6405280 ASSY 81, DF 1706-338-AY81. Substitute compatibility should be verified for your specific system.
What is the NSN for 752-6405280-AY81?
752-6405280-AY81 is cataloged in the U.S. Government catalog under NSN 4810-01-424-6169. 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.