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PartsTable / COMPONENT / 21329-001
21329-001 ✓ 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, valve_operation_method: HYDRAULIC, end_item_identification: SEAWOLF CLASS SSN, valve_discharge_flow_rate: 6.0 GALLONS PER MINUTE, operating_pressure_and_type: 3000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-414-9336, 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
21329-001
NSN: 4820-01-414-9336
FSC: 4820
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
body_materialALUMINUM ALLOY
spool_quantity1
valve_operation_methodHYDRAULIC
end_item_identificationSEAWOLF CLASS SSN
valve_discharge_flow_rate6.0 GALLONS PER MINUTE
operating_pressure_and_type3000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
NSN4820-01-414-9336
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21329-001 · 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: 1
•
OPERATING PRESSURE AND TYPE: 3000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
BODY MATERIAL: ALUMINUM ALLOY
•
VALVE DISCHARGE FLOW RATE: 6.0 GALLONS PER MINUTE
•
VALVE OPERATION METHOD: HYDRAULIC
TECHNICAL CHARACTERISTICS (FLIS)
SPOOL QUANTITY1
OPERATING PRESSURE AND TYPE3000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
BODY MATERIALALUMINUM ALLOY
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
VALVE DISCHARGE FLOW RATE6.0 GALLONS PER MINUTE
VALVE OPERATION METHODHYDRAULIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
B11-32Interchangeable
interchangeable cross-reference
interchangeable
21-329Interchangeable
interchangeable cross-reference
interchangeable
S6140-61105Interchangeable
interchangeable cross-reference
interchangeable
5101-78Interchangeable
interchangeable cross-reference
interchangeable
232-0030-00Interchangeable
interchangeable cross-reference
interchangeable
21317-1018-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21329-001?
21329-001 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 21329-001?
There are 20 known substitutes for 21329-001: B11-32, 21-329, S6140-61105 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21329-001?
21329-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-414-9336. 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