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305463 ITEM 22 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

305463 ITEM 22: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flow_control_device: DISKDISK, valve_operation_method: AUTOMATICAUTOMATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-205-8198, 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
305463 ITEM 22
NSN: 4820-01-205-8198
FSC: 4820 — Valves, Nonpowered
CAGE: 33654 — HOWDEN FLUID SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flow_control_deviceDISKDISK
valve_operation_methodAUTOMATICAUTOMATIC
NSN4820-01-205-8198
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 305463 ITEM 22 · 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
•
FLOW CONTROL DEVICE: DISKDISK
•
MATERIAL: STEEL OVERALL
•
VALVE OPERATION METHOD: AUTOMATICAUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISKDISK
MATERIALSTEEL OVERALL
VALVE OPERATION METHODAUTOMATICAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 3
305445Reference document
Same NSN cross-reference
Reference document — Secondary reference
H305445Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
305463Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 305463 ITEM 22?
305463 ITEM 22 is a VALVE,CHECK.
What parts can replace 305463 ITEM 22?
There are 3 known substitutes for 305463 ITEM 22: 305445, H305445, 305463. Substitute compatibility should be verified for your specific system.
What is the NSN for 305463 ITEM 22?
305463 ITEM 22 is cataloged in the U.S. Government catalog under NSN 4820-01-205-8198. 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.