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550426 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

550426: 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 material: ALUMINUM OVERALL, surface_treatment: ANODIZE OVERALL, end_item_identification: 4110-01-534-7675 MOBILE INT COLL SYS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-075-1319, 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
550426
NSN: 4820-00-075-1319
NIINs: 000751319, 001424387, 015851323
FSC: 4820 — Valves, Nonpowered
CAGE: 11247 — LODESTONE CORP DIV OF FEDDERS CORP (USA)
SPECIFICATIONS
materialALUMINUM OVERALL
surface_treatmentANODIZE OVERALL
end_item_identification4110-01-534-7675 MOBILE INT COLL SYS
NSN4820-00-075-1319
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 550426 · 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
•
MOUNTING FACILITY: THREADED FASTENER
•
MATERIAL: STEEL STEM
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
MOUNTING FACILITYTHREADED FASTENER
MATERIALSTEEL STEM
MATERIALIRON CAST BODY
MATERIALIRON CAST SEAT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 550426?
550426 is a CUP,TAPERED ROLLER BEARING.
What is the NSN for 550426?
550426 is cataloged in the U.S. Government catalog under NSN 4820-00-075-1319. 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.