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Technical Data Sheet
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R5520601-A3 — VALVE,VENT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

R5520601-A3: VALVE,VENT.

The VALVE,VENT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-722-5276, 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
R5520601-A3
NSN: 4820-01-722-5276
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part NumberR5520601-A3
NSN4820-01-722-5276
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: R5520601-A3 · 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
8842381/PAGE 51Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LOA022823-A3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
563-8842381Reference 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 R5520601-A3?
R5520601-A3 is a VALVE,VENT.
What parts can replace R5520601-A3?
There are 3 known substitutes for R5520601-A3: 8842381/PAGE 51, LOA022823-A3, 563-8842381. Substitute compatibility should be verified for your specific system.
What is the NSN for R5520601-A3?
R5520601-A3 is cataloged in the U.S. Government catalog under NSN 4820-01-722-5276. This indicates validated use in U.S. government and defense supply chains.
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