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20859-1090 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20859-1090: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, material_document_and_classification: QQ-A-225/8, COMP 6061-T651 FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-193-2730, 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
20859-1090
NSN: 4820-01-193-2730
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-A-225/8, COMP 6061-T651 FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-193-2730
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20859-1090 · 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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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8, COMP 6061-T651 FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8, COMP 6061-T651 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
20859-001 FIND 18Reference document
Same NSN cross-reference
Reference document — Secondary reference
20859-001Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 20859-1090?
20859-1090 is a CIRCUIT CARD ASSEMBLY.
What parts can replace 20859-1090?
There are 2 known substitutes for 20859-1090: 20859-001 FIND 18, 20859-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 20859-1090?
20859-1090 is cataloged in the U.S. Government catalog under NSN 4820-01-193-2730. 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.