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20406-003 — PISTON,LINEAR ACTUATING CYLINDER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20406-003: PISTON,LINEAR ACTUATING CYLINDER.

PISTON,LINEAR ACTUATING CYLINDER. Key specifications include material: ALUMINUM ALLOY, material_document_and_classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-063-7289, 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
20406-003
NSN: 4820-01-063-7289
NIINs: 010637289, 011007972, 011009272, 013652955, 013655260, 015005772, 015005773
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
material_document_and_classificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-063-7289
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20406-003 · 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
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REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: SELECTED,TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION
TECHNICAL CHARACTERISTICS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSSELECTED,TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20406-003?
20406-003 is a PISTON,LINEAR ACTUATING CYLINDER.
What is the NSN for 20406-003?
20406-003 is cataloged in the U.S. Government catalog under NSN 4820-01-063-7289. 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.