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3C50-S — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3C50-S: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, face_to_face_distance: 0.990 INCHES IN, end_item_identification: POWER PACK ASSEMBLY, BOAT DAVIT HOIST, D.406990B, SCHAT DAVOT CO. LTD.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-390-4897, 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
3C50-S
NSN: 4820-01-390-4897
FSC: 4820 — Valves, Nonpowered
CAGE: 8Z296 — DANFOSS FLUID POWER INC EASLEY OPN (USA)
SPECIFICATIONS
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
face_to_face_distance0.990 INCHES IN
end_item_identificationPOWER PACK ASSEMBLY, BOAT DAVIT HOIST, D.406990B, SCHAT DAVOT CO. LTD
NSN4820-01-390-4897
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3C50-S · 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
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
FACE TO FACE DISTANCE: 0.990 INCHES IN
TECHNICAL CHARACTERISTICS
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FACE TO FACE DISTANCE0.990 INCHES IN
END ITEM IDENTIFICATIONPOWER PACK ASSEMBLY, BOAT DAVIT HOIST, D.406990B, SCHAT DAVOT CO. LTD
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3C50-S?
3C50-S is a VALVE,CHECK.
What is the NSN for 3C50-S?
3C50-S is cataloged in the U.S. Government catalog under NSN 4820-01-390-4897. 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.