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PartsTable / COMPONENT / 21247-1000-1
21247-1000-1 ✓ 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

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, end_item_identification: SEAWOLF CLASS SSN, stem_actuating_end_type: THREADED EXTERNALLY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-416-4581, 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
21247-1000-1
NSN: 4820-01-416-4581
FSC: 4820
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialNICKEL ALLOY
end_item_identificationSEAWOLF CLASS SSN
stem_actuating_end_typeTHREADED EXTERNALLY
NSN4820-01-416-4581
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21247-1000-1 · 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
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
STEM ACTUATING END TYPETHREADED EXTERNALLY
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALNICKEL ALLOY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
10525-1Interchangeable
interchangeable cross-reference
interchangeable
21247Interchangeable
interchangeable cross-reference
interchangeable
8148650Interchangeable
interchangeable cross-reference
interchangeable
B94.2Interchangeable
interchangeable cross-reference
interchangeable
GGG-R-180 TY1CL1GRAInterchangeable
interchangeable cross-reference
interchangeable
A-A-2928Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21247-1000-1?
21247-1000-1 is a STEM,FLUID VALVE.
What parts can replace 21247-1000-1?
There are 13 known substitutes for 21247-1000-1: 10525-1, 21247, 8148650 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21247-1000-1?
21247-1000-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-416-4581. 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