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21333-001 — PRINTED CIRCUIT BOARD

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21333-001: PRINTED CIRCUIT BOARD.

The PRINTED CIRCUIT BOARD is a the manufacturer industrial component. Key specifications include body_material: ALUMINUM ALLOY, valve_operation_method: HYDRAULIC, end_item_identification: USED ON AR-900 SHIPS DEFENSE ESM SYSTEM RECEIVER PROCESSOR UNIT (RPU), valve_discharge_flow_rate: 4.0 GALLONS PER MINUTE, part_name_assigned_by_controlling_agency: BEARING PROCESSOR. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-419-1608, 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
21333-001
NSN: 4820-01-419-1608
NIINs: 014191608, 014592739
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
body_materialALUMINUM ALLOY
spool_quantity2
valve_operation_methodHYDRAULIC
end_item_identificationUSED ON AR-900 SHIPS DEFENSE ESM SYSTEM RECEIVER PROCESSOR UNIT (RPU)
valve_discharge_flow_rate4.0 GALLONS PER MINUTE
part_name_assigned_by_controlling_agencyBEARING PROCESSOR
NSN4820-01-419-1608
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21333-001 · 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
•
SPOOL QUANTITY: 2
•
BODY MATERIAL: ALUMINUM ALLOY
•
VALVE DISCHARGE FLOW RATE: 4.0 GALLONS PER MINUTE
•
VALVE OPERATION METHOD: HYDRAULIC
TECHNICAL CHARACTERISTICS
SPOOL QUANTITY2
BODY MATERIALALUMINUM ALLOY
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
VALVE DISCHARGE FLOW RATE4.0 GALLONS PER MINUTE
VALVE OPERATION METHODHYDRAULIC
SUBSTITUTES & CROSS-REFERENCES 1
21333Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 21333-001?
21333-001 is a PRINTED CIRCUIT BOARD.
What parts can replace 21333-001?
There is 1 known substitute for 21333-001: 21333. Substitute compatibility should be verified for your specific system.
What is the NSN for 21333-001?
21333-001 is cataloged in the U.S. Government catalog under NSN 4820-01-419-1608. 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.