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Technical Data Sheet
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S90433 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

S90433: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include end_item_identification: VALVE, CHECK 1.5IPS NICRMOCB, criticality_code_justification: ZZZY, part_name_assigned_by_controlling_agency: (INAVY) VALVE, CHECK, 1.50IPS; (DRAWING) 1-1/2 CHECK VALVE 520 WOG, reference_number_differentiating_characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-486-3341, 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
S90433
NSN: 4820-01-486-3341
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
end_item_identificationVALVE, CHECK 1.5IPS NICRMOCB
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agency(INAVY) VALVE, CHECK, 1.50IPS; (DRAWING) 1-1/2 CHECK VALVE 520 WOG
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS
NSN4820-01-486-3341
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S90433 · 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
DS-B-90430Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
DS-B-90430 ITEM 5Same 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 S90433?
S90433 is a VALVE,CHECK.
What parts can replace S90433?
There are 2 known substitutes for S90433: DS-B-90430, DS-B-90430 ITEM 5. Substitute compatibility should be verified for your specific system.
What is the NSN for S90433?
S90433 is cataloged in the U.S. Government catalog under NSN 4820-01-486-3341. This indicates validated use in U.S. government and defense supply chains.
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