PartsTable
Technical Data Sheet
2253-1-21 ✓ Verified by PartsTable
DELL · 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

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government and defense logistics supply chains.

WHERE IT FITS
2253-1-21
NSN: 4820-01-417-2309
FSC: 4820
CAGE: 94874 — DROITCOUR CO (USA)
SPECIFICATIONS
materialSTEEL
overall_width0.250 INCHES NOMINAL IN
overall_length0.878 INCHES NOMINAL IN
end_item_identificationSEAWOLF CLASS SSN
NSN4820-01-417-2309
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 2253-1-21 · DELL ⚠ 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
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALSTEEL
OVERALL LENGTH0.878 INCHES NOMINAL IN
OVERALL WIDTH0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
000.200.1779Interchangeable
interchangeable cross-reference
interchangeable
000-200-1779Interchangeable
interchangeable cross-reference
interchangeable
1779Interchangeable
interchangeable cross-reference
interchangeable
129020Interchangeable
interchangeable cross-reference
interchangeable
3DD5Interchangeable
interchangeable cross-reference
interchangeable
S6205Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2253-1-21?
2253-1-21 is a PLATE,SPECTACLE,VALVE manufactured by DELL.
What parts can replace 2253-1-21?
There are 14 known substitutes for 2253-1-21: 000.200.1779, 000-200-1779, 1779 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2253-1-21?
2253-1-21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-417-2309. This indicates validated use in U.S. government and defense supply chains.
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