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52278 — STEM,FLUID VALVE

✓ Government record, cited
Bestway · GATE VALVE
PRODUCT OVERVIEW

52278: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a Bestway industrial component. Key specifications include special_features: 2.3 LBS LBS, horsepower_rating: 0.7, nominal_chuck_size: 0.25 INCHES IN, no_load_speed_in_rpm: 20000.0 NOMINAL, drive_for_which_designed: STRAIGHT, part_name_assigned_by_controlling_agency: GRINDER, STRAIGHT, DIE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-063-8735, 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
52278
NSN: 4820-00-063-8735
NIINs: 000638735, 013156833, 016410819
FSC: 4820 — Valves, Nonpowered
CAGE: 48422 — WILLIAM POWELL COMPANY, THE DBA POWELL VALVE DIV THE STARFLO CORPORATION (USA)
SPECIFICATIONS
special_features2.3 LBS LBS
horsepower_rating0.7
nominal_chuck_size0.25 INCHES IN
no_load_speed_in_rpm20000.0 NOMINAL
drive_for_which_designedSTRAIGHT
part_name_assigned_by_controlling_agencyGRINDER, STRAIGHT, DIE
NSN4820-00-063-8735
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 52278 · Bestway ⚠ 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
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CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
SUBSTITUTES & CROSS-REFERENCES 1
52278CPReference document
Same NSN cross-reference
Reference document — Secondary reference
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 52278?
52278 is a STEM,FLUID VALVE manufactured by Bestway.
What parts can replace 52278?
There is 1 known substitute for 52278: 52278CP. Substitute compatibility should be verified for your specific system.
What is the NSN for 52278?
52278 is cataloged in the U.S. Government catalog under NSN 4820-00-063-8735. 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.