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Technical Data Sheet
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21054529174400 — 21054529174400

✓ Government record, cited
WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION · GATE VALVE
PRODUCT OVERVIEW

21054529174400: 21054529174400.

The 21054529174400 is a WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-455-3881, 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
21054529174400
NSN: 4820-01-455-3881
FSC: 4820 — Valves, Nonpowered
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
Part Number21054529174400
ManufacturerWILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION
NSN4820-01-455-3881
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21054529174400 · WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION ⚠ 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
•
TEMP RATING: 500.0 FAHRENHEIT NOMINAL DEGF
•
STYLE DESIGNATOR: SOLID WEDGE
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
TEMP RATING500.0 FAHRENHEIT NOMINAL DEGF
STYLE DESIGNATORSOLID WEDGE
SPECIAL FEATURESFOR GATE CLASS 150LB SZ 2.500 IN. LBS
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID
END ITEM IDENTIFICATIONNIMITZ CLASS CVN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 3
54529Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
039007 PC 19Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
039009 PC19Same 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 21054529174400?
21054529174400 is a 21054529174400 manufactured by WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION.
What parts can replace 21054529174400?
There are 3 known substitutes for 21054529174400: 54529, 039007 PC 19, 039009 PC19. Substitute compatibility should be verified for your specific system.
What is the NSN for 21054529174400?
21054529174400 is cataloged in the U.S. Government catalog under NSN 4820-01-455-3881. 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.