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3W21449 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3W21449: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_item_identification: COMPRESSOR MODEL 15TE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-730-8773, 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
3W21449
NSN: 4820-00-730-8773
FSC: 4820 — Valves, Nonpowered
CAGE: 99285 — INGERSOLL-RAND CO ROCK DRILL DIV PLANT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_item_identificationCOMPRESSOR MODEL 15TE
NSN4820-00-730-8773
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3W21449 · 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
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONCOMPRESSOR MODEL 15TE
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 2
30217608Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
W21449Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3W21449?
3W21449 is a SEAT,VALVE.
What parts can replace 3W21449?
There are 2 known substitutes for 3W21449: 30217608, W21449. Substitute compatibility should be verified for your specific system.
What is the NSN for 3W21449?
3W21449 is cataloged in the U.S. Government catalog under NSN 4820-00-730-8773. This indicates validated use in U.S. government and defense supply chains.
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