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Technical Data Sheet
PartsTable / COMPONENT / 21301-002
21301-002 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include body_material: ALUMINUM ALLOY 6061, special_features: VALVE ASSEMBLY, SIZE 3, frequency_in_hertz: 0.0 AND 400.0, current_rating_in_amps: 140.0 AND 250.0, valve_operation_method: HYDRAULIC AND SOLENOID, end_item_identification: WEAPONS SYSTEM JG, SEAWOLF CLASS SSN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-419-0521, 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
21301-002
NSN: 4810-01-419-0521
FSC: 4810
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
body_materialALUMINUM ALLOY 6061
special_featuresVALVE ASSEMBLY, SIZE 3
frequency_in_hertz0.0 AND 400.0
current_rating_in_amps140.0 AND 250.0
valve_operation_methodHYDRAULIC AND SOLENOID
end_connection_quantity4
end_item_identificationWEAPONS SYSTEM JG, SEAWOLF CLASS SSN
valve_discharge_flow_rate30.0 GALLONS PER MINUTE
operating_pressure_and_type3000.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC FLUID, PETROLEUM BASE MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
furnished_items_and_quantity1 PILOT VALVE
voltage_in_volts_and_current_type122.0 AC
maximum_operating_temp_and_media_for_which_designed50.0 CELSIUS HYDRAULIC FLUID, PETROLEUM BASE DEGC
NSN4810-01-419-0521
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21301-002 · 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) HYDRAULIC FLUID, PETROLEUM BASE MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 50.0 CELSIUS HYDRAULIC FLUID, PETROLEUM BASE DEGC
•
BODY MATERIAL: ALUMINUM ALLOY 6061
•
FREQUENCY IN HERTZ: 0.0 AND 400.0
•
VOLTAGE IN VOLTS AND CURRENT TYPE: 122.0 AC
•
VALVE OPERATION METHOD: HYDRAULIC AND SOLENOID
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE AND TYPE3000.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC FLUID, PETROLEUM BASE MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
END ITEM IDENTIFICATIONWEAPONS SYSTEM JG, SEAWOLF CLASS SSN
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED50.0 CELSIUS HYDRAULIC FLUID, PETROLEUM BASE DEGC
BODY MATERIALALUMINUM ALLOY 6061
FREQUENCY IN HERTZ0.0 AND 400.0
VOLTAGE IN VOLTS AND CURRENT TYPE122.0 AC
SPECIAL FEATURESVALVE ASSEMBLY, SIZE 3
VALVE OPERATION METHODHYDRAULIC AND SOLENOID
END CONNECTION QUANTITY4
CURRENT RATING IN AMPS140.0 AND 250.0
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
21-301Interchangeable
interchangeable cross-reference
interchangeable
50Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-406Interchangeable
interchangeable cross-reference
interchangeable
2130Interchangeable
interchangeable cross-reference
interchangeable
1401XInterchangeable
interchangeable cross-reference
interchangeable
20837Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21301-002?
21301-002 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 21301-002?
There are 8 known substitutes for 21301-002: 21-301, 50, GGG-C-406 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21301-002?
21301-002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-419-0521. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026