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PartsTable / COMPONENT / 21339 FIND 3
21339 FIND 3 ✓ 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

SLEEVE AND SLIDE,DIRECTIONAL CON. Key specifications include slide_material: STEEL, sleeve_material: STEEL, end_item_identification: SEAWOLF CLASS SSN, valve_design_control_activity: 78062, valve_model_number_for_which_designed: 21339-800-1. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-451-4223, 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
21339 FIND 3
NSN: 4820-01-451-4223
FSC: 4820
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
slide_materialSTEEL
sleeve_materialSTEEL
end_item_identificationSEAWOLF CLASS SSN
valve_design_control_activity78062
valve_model_number_for_which_designed21339-800-1
NSN4820-01-451-4223
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21339 FIND 3 · 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
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 21339-800-1
•
SLIDE MATERIAL: STEEL
•
SLEEVE MATERIAL: STEEL
•
VALVE DESIGN CONTROL ACTIVITY: 78062
TECHNICAL CHARACTERISTICS (FLIS)
VALVE MODEL NUMBER FOR WHICH DESIGNED21339-800-1
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
SLIDE MATERIALSTEEL
SLEEVE MATERIALSTEEL
VALVE DESIGN CONTROL ACTIVITY78062
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
V3-1WITHJV5ACTUAT0RInterchangeable
interchangeable cross-reference
interchangeable
7430842P3Interchangeable
interchangeable cross-reference
interchangeable
V3-1ANDJV5Interchangeable
interchangeable cross-reference
interchangeable
21339Interchangeable
interchangeable cross-reference
interchangeable
1551Interchangeable
interchangeable cross-reference
interchangeable
C4AZ5230TInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21339 FIND 3?
21339 FIND 3 is a SLEEVE AND SLIDE,DIRECTIONAL CON.
What parts can replace 21339 FIND 3?
There are 9 known substitutes for 21339 FIND 3: V3-1WITHJV5ACTUAT0R, 7430842P3, V3-1ANDJV5 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21339 FIND 3?
21339 FIND 3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-451-4223. 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