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300284 — FILTER ELEMENT,REVERSE OSMOSIS

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

300284: FILTER ELEMENT,REVERSE OSMOSIS.

The FILTER ELEMENT,REVERSE OSMOSIS is a the manufacturer industrial component. Key specifications include overall_length: 1016.0 MILLIMETERS NOMINAL MM, overall_diameter: 201.0 MILLIMETERS NOMINAL MM, special_features: MAXIMUM OPERATING TEMPERATURE IS 45 DEGREE CELSIUS, MAXIMUM OPERATING PRESSURE 83 BAR, part_name_assigned_by_controlling_agency: SEAWATER REVERSE OSMOSIS ELEMENT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-210-4345, 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
300284
NSN: 4820-01-210-4345
NIINs: 012104345, 013724673, 014355329, 014731262, 017071599
FSC: 4820 — Valves, Nonpowered
CAGE: 11836 — NATIONAL OILWELL (USA)
SPECIFICATIONS
overall_length1016.0 MILLIMETERS NOMINAL MM
overall_diameter201.0 MILLIMETERS NOMINAL MM
special_featuresMAXIMUM OPERATING TEMPERATURE IS 45 DEGREE CELSIUS, MAXIMUM OPERATING PRESSURE 83 BAR
part_name_assigned_by_controlling_agencySEAWATER REVERSE OSMOSIS ELEMENT
NSN4820-01-210-4345
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 300284 · 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
SUBSTITUTES & CROSS-REFERENCES 2
NS-3981ASSEMBLYBC FIND1Reference document
Same NSN cross-reference
Reference document — Secondary reference
NS-3981Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 300284?
300284 is a FILTER ELEMENT,REVERSE OSMOSIS.
What parts can replace 300284?
There are 2 known substitutes for 300284: NS-3981ASSEMBLYBC FIND1, NS-3981. Substitute compatibility should be verified for your specific system.
What is the NSN for 300284?
300284 is cataloged in the U.S. Government catalog under NSN 4820-01-210-4345. 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.