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PartsTable / COMPONENT / 21078 FIND 3
21078 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: 21078. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-436-0156, 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
21078 FIND 3
NSN: 4820-01-436-0156
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_designed21078
NSN4820-01-436-0156
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21078 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: 21078
•
SLIDE MATERIAL: STEEL
•
VALVE DESIGN CONTROL ACTIVITY: 78062
•
SLEEVE MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
VALVE MODEL NUMBER FOR WHICH DESIGNED21078
SLIDE MATERIALSTEEL
VALVE DESIGN CONTROL ACTIVITY78062
SLEEVE MATERIALSTEEL
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
A6162Interchangeable
interchangeable cross-reference
interchangeable
21078Interchangeable
interchangeable cross-reference
interchangeable
152C71Interchangeable
interchangeable cross-reference
interchangeable
2100-0059Interchangeable
interchangeable cross-reference
interchangeable
BA90101Interchangeable
interchangeable cross-reference
interchangeable
18M730Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21078 FIND 3?
21078 FIND 3 is a SLEEVE AND SLIDE,DIRECTIONAL CON.
What parts can replace 21078 FIND 3?
There are 15 known substitutes for 21078 FIND 3: A6162, 21078, 152C71 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21078 FIND 3?
21078 FIND 3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-436-0156. 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