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3427-030 — PISTON,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3427-030: PISTON,VALVE.

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, overall_length: 1.355 INCHES NOMINAL IN, outside_diameter: 0.805 INCHES NOMINAL IN, valve_design_control_activity: 66503, valve_model_number_for_which_designed: 3427. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-342-0638, 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
3427-030
NSN: 4820-01-342-0638
FSC: 4820 — Valves, Nonpowered
CAGE: 66503 — WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
overall_length1.355 INCHES NOMINAL IN
outside_diameter0.805 INCHES NOMINAL IN
valve_design_control_activity66503
valve_model_number_for_which_designed3427
NSN4820-01-342-0638
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3427-030 · 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 MODEL NUMBER FOR WHICH DESIGNED: 3427
•
OUTSIDE DIAMETER: 0.805 INCHES NOMINAL IN
•
VALVE DESIGN CONTROL ACTIVITY: 66503
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
VALVE MODEL NUMBER FOR WHICH DESIGNED3427
OUTSIDE DIAMETER0.805 INCHES NOMINAL IN
OVERALL LENGTH1.355 INCHES NOMINAL IN
VALVE DESIGN CONTROL ACTIVITY66503
MATERIALALUMINUM 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

No substitute or cross-reference records for this part.

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 3427-030?
3427-030 is a PISTON,VALVE.
What is the NSN for 3427-030?
3427-030 is cataloged in the U.S. Government catalog under NSN 4820-01-342-0638. 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.