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S8301N1-CU — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

S8301N1-CU: 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 specification/standard_data: 81349-MIL-M-22520/3-11 GOVERNMENT SPECIFICATION. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-275-9049, 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
S8301N1-CU
NSN: 4820-01-275-9049
FSC: 4820 — Valves, Nonpowered
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
specification/standard_data81349-MIL-M-22520/3-11 GOVERNMENT SPECIFICATION
NSN4820-01-275-9049
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S8301N1-CU · 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
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
8301-1Reference 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 S8301N1-CU?
S8301N1-CU is a CUP,TAPERED ROLLER BEARING.
What parts can replace S8301N1-CU?
There is 1 known substitute for S8301N1-CU: 8301-1. Substitute compatibility should be verified for your specific system.
What is the NSN for S8301N1-CU?
S8301N1-CU is cataloged in the U.S. Government catalog under NSN 4820-01-275-9049. 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.