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21189-002 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21189-002: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include body_material: ALUMINUM ALLOY 6061, special_features: SZ 4 VALVE, valve_operation_method: MANUAL, end_item_identification: SEAWOLF CLASS SSN, operating_pressure_and_type: 3000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-418-3404, 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
21189-002
NSN: 4820-01-418-3404
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
body_materialALUMINUM ALLOY 6061
spool_quantity1
special_featuresSZ 4 VALVE
valve_operation_methodMANUAL
end_item_identificationSEAWOLF CLASS SSN
operating_pressure_and_type3000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
NSN4820-01-418-3404
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21189-002 · 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
•
OPERATING PRESSURE AND TYPE: 3000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
SPOOL QUANTITY: 1
•
BODY MATERIAL: ALUMINUM ALLOY 6061
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
OPERATING PRESSURE AND TYPE3000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
SPOOL QUANTITY1
BODY MATERIALALUMINUM ALLOY 6061
SPECIAL FEATURESSZ 4 VALVE
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
VALVE OPERATION METHODMANUAL
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 demandDemilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 21189-002?
21189-002 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What is the NSN for 21189-002?
21189-002 is cataloged in the U.S. Government catalog under NSN 4820-01-418-3404. 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.