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211045124 — PISTON,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

211045124: PISTON,VALVE.

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include special_features: CROSS CONNECT HYDRAULIC VALVE PISTON ASSY, end_item_identification: LOS ANGELES CLASS SSN (688), valve_design_control_activity: 53711. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-446-5125, 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
211045124
NSN: 4820-01-446-5125
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
special_featuresCROSS CONNECT HYDRAULIC VALVE PISTON ASSY
end_item_identificationLOS ANGELES CLASS SSN (688)
valve_design_control_activity53711
NSN4820-01-446-5125
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 211045124 · 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
•
VALVE DESIGN CONTROL ACTIVITY: 53711
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESCROSS CONNECT HYDRAULIC VALVE PISTON ASSY
VALVE DESIGN CONTROL ACTIVITY53711
END ITEM IDENTIFICATIONLOS ANGELES CLASS SSN (688)
SUBSTITUTES & CROSS-REFERENCES 2
6404652Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
DF6503-173 AY97Reference 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 211045124?
211045124 is a PISTON,VALVE.
What parts can replace 211045124?
There are 2 known substitutes for 211045124: 6404652, DF6503-173 AY97. Substitute compatibility should be verified for your specific system.
What is the NSN for 211045124?
211045124 is cataloged in the U.S. Government catalog under NSN 4820-01-446-5125. 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.