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PartsTable / COMPONENT / 21073-002
21073-002 ✓ 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 special_features: VALVE,ASSY MAINSTAGE, end_item_identification: 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 4820-01-417-2335, 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
21073-002
NSN: 4820-01-417-2335
FSC: 4820
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
special_featuresVALVE,ASSY MAINSTAGE
end_item_identificationSEAWOLF CLASS SSN
NSN4820-01-417-2335
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21073-002 · 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESVALVE,ASSY MAINSTAGE
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
SC-D-68284Interchangeable
interchangeable cross-reference
interchangeable
2107-3Interchangeable
interchangeable cross-reference
interchangeable
CG409A/U1FT 8INInterchangeable
interchangeable cross-reference
interchangeable
8148650Interchangeable
interchangeable cross-reference
interchangeable
21073DInterchangeable
interchangeable cross-reference
interchangeable
WF2-1073Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21073-002?
21073-002 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 21073-002?
There are 14 known substitutes for 21073-002: SC-D-68284, 2107-3, CG409A/U1FT 8IN and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21073-002?
21073-002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-417-2335. 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