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550-220 — SCREW,ADJUSTING,VALVE TAPPET

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

550-220: SCREW,ADJUSTING,VALVE TAPPET.

The SCREW,ADJUSTING,VALVE TAPPET is a the manufacturer industrial component. Key specifications include END ITEM IDENTIFICATION: ASOS CONTROLLER EQUIPMENT-INFORMATION DISPLAY SYSTEM (ACE IDS), PART NAME ASSIGNED BY CONTROLLING AGENCY: 256 MB 168 PIN DIMM ECC MB. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-011-8358, 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
MRO→ MRO_GENERAL→ 550-220
NSN: 3110-01-011-8358
NIINs: 010118358, 013311742, 015339937
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 43991 — FAG BEARINGS CORPORATION (USA)
SPECIFICATIONS
END ITEM IDENTIFICATIONASOS CONTROLLER EQUIPMENT-INFORMATION DISPLAY SYSTEM (ACE IDS)
PART NAME ASSIGNED BY CONTROLLING AGENCY256 MB 168 PIN DIMM ECC MB
NSN3110-01-011-8358
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 550-220 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
BORE SHAPESTRAIGHT
SUBSTITUTES & CROSS-REFERENCES 1
56484Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 550-220?
550-220 is a SCREW,ADJUSTING,VALVE TAPPET. It is classified as a MRO (MRO_GENERAL).
What parts can replace 550-220?
There is 1 known substitute for 550-220: 56484. Substitute compatibility should be verified for your specific system.
What is the NSN for 550-220?
550-220 is cataloged in the U.S. Government catalog under NSN 3110-01-011-8358. 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.