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8366533 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8366533: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-223-3635, 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
8366533
NSN: 4820-01-223-3635
NIINs: 012233635, 016106293
FSC: 4820 — Valves, Nonpowered
CAGE: 39VG9 — PROGRESS RAIL LOCOMOTIVE INC. DBA PROGRESS RAIL SWITCHING SERVICES LLC (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY
NSN4820-01-223-3635
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8366533 · 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
KEY FEATURES
•
MOUNTING POSITION: VERTICAL
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MEDIA FOR WHICH DESIGNED: OIL, LUBRICATING, DIESTER BASE SINGLE RESPONSE
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
MOUNTING POSITIONVERTICAL
STYLE DESIGNATORSTRAIGHT THRU
SPECIAL FEATURESSOAK BACK PIPING
MEDIA FOR WHICH DESIGNEDOIL, LUBRICATING, DIESTER BASE SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8366533?
8366533 is a VALVE,CHECK.
What is the NSN for 8366533?
8366533 is cataloged in the U.S. Government catalog under NSN 4820-01-223-3635. 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.