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211039675 — PISTON,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

211039675: PISTON,VALVE.

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, outside_diameter: 1.993 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-390-3631, 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
211039675
NSN: 4820-01-390-3631
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY
outside_diameter1.993 INCHES NOMINAL IN
NSN4820-01-390-3631
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 211039675 · 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
•
OUTSIDE DIAMETER: 1.993 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.993 INCHES NOMINAL IN
MATERIALNICKEL ALLOY
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
DF2085-202 FIND 13Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 211039675?
211039675 is a PISTON,VALVE.
What parts can replace 211039675?
There is 1 known substitute for 211039675: DF2085-202 FIND 13. Substitute compatibility should be verified for your specific system.
What is the NSN for 211039675?
211039675 is cataloged in the U.S. Government catalog under NSN 4820-01-390-3631. 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.