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D-30464 — BLOCK,ROLLER,TURBINE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

D-30464: BLOCK,ROLLER,TURBINE.

The BLOCK,ROLLER,TURBINE is a the manufacturer industrial component. Key specifications include special_features: FOR MAIN FEED PUMP TURBINE, general_characteristics_item_description: FOR MAIN FEED PUMP TURBINE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-214-4260, 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
D-30464
NSN: 4820-01-214-4260
NIINs: 012144260, 012144342
FSC: 4820 — Valves, Nonpowered
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
special_featuresFOR MAIN FEED PUMP TURBINE
general_characteristics_item_descriptionFOR MAIN FEED PUMP TURBINE
NSN4820-01-214-4260
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D-30464 · 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
SPECIAL FEATURESFOR MAIN FEED PUMP TURBINE
SUBSTITUTES & CROSS-REFERENCES 2
D-30464 PIECE 139Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
CVB41-S4700-62,ALT-2Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D-30464?
D-30464 is a BLOCK,ROLLER,TURBINE.
What parts can replace D-30464?
There are 2 known substitutes for D-30464: D-30464 PIECE 139, CVB41-S4700-62,ALT-2. Substitute compatibility should be verified for your specific system.
What is the NSN for D-30464?
D-30464 is cataloged in the U.S. Government catalog under NSN 4820-01-214-4260. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.