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55399 — CONE,TAPERED ROLLER BEARING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

55399: CONE,TAPERED ROLLER BEARING.

The CONE,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. This part is cataloged in the U.S. Government catalog under NSN 5330-01-260-7564, 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
55399
NSN: 5330-01-260-7564
NIINs: 012607564, 013035296
FSC: 5330 — Packing and Gasket Materials
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
Part Number55399
NSN5330-01-260-7564
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 55399 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
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
SUBSTITUTES & CROSS-REFERENCES 1
933F055399Reference 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 55399?
55399 is a CONE,TAPERED ROLLER BEARING.
What parts can replace 55399?
There is 1 known substitute for 55399: 933F055399. Substitute compatibility should be verified for your specific system.
What is the NSN for 55399?
55399 is cataloged in the U.S. Government catalog under NSN 5330-01-260-7564. This indicates validated use in U.S. government and defense supply chains.
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