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635568 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

635568: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include end_item_identification: ROLLER,COMPACTOR,30076,MODEL C450B. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-045-6106, 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
635568
NSN: 4820-01-045-6106
NIINs: 010456106, 011851959
FSC: 4820 — Valves, Nonpowered
CAGE: 45681 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV CORPORATE HEADQUARTERS (USA)
SPECIFICATIONS
end_item_identificationROLLER,COMPACTOR,30076,MODEL C450B
general_characteristics_item_descriptionCONSISTS OF 30076 201924 RING,BACK UP 1,30076 201923 RING,BACK UP 1,30076 225529 O-RING 1,30076 225530 O-RING 1,30076 118361 O-RING 1
NSN4820-01-045-6106
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 635568 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF 30076 201924 RING,BACK UP 1,30076 201923 RING,BACK UP 1,30076 225529 O-RING 1,30076 225530 O-RING 1,30076 118361 O-RING 1
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF 30076 201924 RING,BACK UP 1,30076 201923 RING,BACK UP 1,30076 225529 O-RING 1,30076 225530 O-RING 1,30076 118361 O-RING 1
END ITEM IDENTIFICATIONROLLER,COMPACTOR,30076,MODEL C450B
SUBSTITUTES & CROSS-REFERENCES 1
225535Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 635568?
635568 is a VALVE,CHECK.
What parts can replace 635568?
There is 1 known substitute for 635568: 225535. Substitute compatibility should be verified for your specific system.
What is the NSN for 635568?
635568 is cataloged in the U.S. Government catalog under NSN 4820-01-045-6106. 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.