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RDDA-LWN — CARTRIDGE,CHECK VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

RDDA-LWN: CARTRIDGE,CHECK VALVE.

The CARTRIDGE,CHECK VALVE is a the manufacturer industrial component. Key specifications include special_features: NEXT HIGHER ASSEMBLY AP PRESSURIZATION SYSTEM BLOCK, PART NUMBER D1249755, operating_pressure: 350.0 BAR MAXIMUM, end_item_identification: SUBMARINE CLASS S-80 PLUS, criticality_code_justification: ZZZY, part_name_assigned_by_controlling_agency: DIRECT-ACTING RELIEF VALVE, reference_number_differentiating_characteristics: SUITABLE FOR SUBMARINES CERTIFICATED ITEM SUPPLIED WITH P. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-616-3312, 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
RDDA-LWN
NSN: 4820-01-616-3312
NIINs: 016163312, 017138372
FSC: 4820 — Valves, Nonpowered
CAGE: 54035 — SUN HYDRAULICS CORPORATION (USA)
SPECIFICATIONS
special_featuresNEXT HIGHER ASSEMBLY AP PRESSURIZATION SYSTEM BLOCK, PART NUMBER D1249755
operating_pressure350.0 BAR MAXIMUM
end_item_identificationSUBMARINE CLASS S-80 PLUS
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agencyDIRECT-ACTING RELIEF VALVE
reference_number_differentiating_characteristicsSUITABLE FOR SUBMARINES CERTIFICATED ITEM SUPPLIED WITH P
NSN4820-01-616-3312
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: RDDA-LWN · 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 2
182718780Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
F162908 ITEM NO. 18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 RDDA-LWN?
RDDA-LWN is a CARTRIDGE,CHECK VALVE.
What parts can replace RDDA-LWN?
There are 2 known substitutes for RDDA-LWN: 182718780, F162908 ITEM NO. 18. Substitute compatibility should be verified for your specific system.
What is the NSN for RDDA-LWN?
RDDA-LWN is cataloged in the U.S. Government catalog under NSN 4820-01-616-3312. This indicates validated use in U.S. government and defense supply chains.
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