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225.355 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

225.355: CUP,TAPERED ROLLER BEARING.

The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include nonsupply_items_and_quantities: GASKET 1; MOTOR,THERMOSTAT 1; QUAD RING 1; SHUT-OFF DISK 1. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-056-0671, 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
225.355
NSN: 4820-00-056-0671
NIINs: 000560671, 011863122
FSC: 4820 — Valves, Nonpowered
CAGE: 91424 — MCC POWERS PROCESS CONTROLS DIV OF MARK CONTROLS CORP (USA)
SPECIFICATIONS
component_quantity4
nonsupply_items_and_quantitiesGASKET 1; MOTOR,THERMOSTAT 1; QUAD RING 1; SHUT-OFF DISK 1
NSN4820-00-056-0671
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 225.355 · 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
•
COMPONENT QUANTITY: 4
•
NONSUPPLY ITEMS AND QUANTITIES: GASKET 1; MOTOR,THERMOSTAT 1; QUAD RING 1; SHUT-OFF DISK 1
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY4
NONSUPPLY ITEMS AND QUANTITIESGASKET 1; MOTOR,THERMOSTAT 1; QUAD RING 1; SHUT-OFF DISK 1
SUBSTITUTES & CROSS-REFERENCES 1
225-338Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 225.355?
225.355 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 225.355?
There is 1 known substitute for 225.355: 225-338. Substitute compatibility should be verified for your specific system.
What is the NSN for 225.355?
225.355 is cataloged in the U.S. Government catalog under NSN 4820-00-056-0671. 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.