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20475-002 — SHAFT,PISTON,OVERRIDE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20475-002: SHAFT,PISTON,OVERRIDE.

The SHAFT,PISTON,OVERRIDE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, design_type: SOLID, end_diameter: 1.6278 INCHES NOMINAL IN, bore_diameter: 0.2731 INCHES NOMINAL IN, overall_height: 0.4519 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-062-4551, 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
20475-002
NSN: 4820-01-062-4551
NIINs: 010624551, 011391582, 011531472, 011541255, 011546400, 011769559
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeSOLID
end_diameter1.6278 INCHES NOMINAL IN
bore_diameter0.2731 INCHES NOMINAL IN
overall_height0.4519 INCHES NOMINAL IN
style_designatorSEAT
first_step_diameter1.9613 INCHES NOMINAL IN
distance_from_end_to_first_step0.2874 INCHES NOMINAL IN
general_characteristics_item_descriptionSTEEL
NSN4820-01-062-4551
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20475-002 · 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
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 20475-002?
20475-002 is a SHAFT,PISTON,OVERRIDE.
What is the NSN for 20475-002?
20475-002 is cataloged in the U.S. Government catalog under NSN 4820-01-062-4551. This indicates validated use in U.S. government and defense supply chains.
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