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20459-001 — ROD,PISTON,LINEAR ACTUATING CYLI

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20459-001: ROD,PISTON,LINEAR ACTUATING CYLI.

ROD,PISTON,LINEAR ACTUATING CYLI. Key specifications include height: 5.475 INCHES NOMINAL IN, material: COPPER ALLOY, overall_length: 5.000 INCHES NOMINAL IN, special_features: MATERIAL DOCUMENT AND CLASSIFICATION:MIL-B-24059. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-089-8886, 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
20459-001
NSN: 4820-01-089-8886
NIINs: 010898886, 010899288, 011216417, 011820929
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
height5.475 INCHES NOMINAL IN
materialCOPPER ALLOY
overall_length5.000 INCHES NOMINAL IN
special_featuresMATERIAL DOCUMENT AND CLASSIFICATION:MIL-B-24059
NSN4820-01-089-8886
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20459-001 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CORROSION RESISTING STEEL
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCORROSION RESISTING STEEL
SUBSTITUTES & CROSS-REFERENCES 1
20459-001 FIND 8Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20459-001?
20459-001 is a ROD,PISTON,LINEAR ACTUATING CYLI.
What parts can replace 20459-001?
There is 1 known substitute for 20459-001: 20459-001 FIND 8. Substitute compatibility should be verified for your specific system.
What is the NSN for 20459-001?
20459-001 is cataloged in the U.S. Government catalog under NSN 4820-01-089-8886. 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.