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PartsTable / COMPONENT / 2566-051-063
2566-051-063 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

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: STEEL, stem_actuating_end_type: THREADED EXTERNALLY, valve_size_for_which_designed: 1.125 INCHES AND 1.500 INCHES IN, valve_type_for_which_designed: GATE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-208-3220, 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
2566-051-063
NSN: 4820-01-208-3220
FSC: 4820
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL
stem_actuating_end_typeTHREADED EXTERNALLY
valve_size_for_which_designed1.125 INCHES AND 1.500 INCHES IN
valve_type_for_which_designedGATE
NSN4820-01-208-3220
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2566-051-063 · 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
•
MATERIAL: STEEL
•
VALVE SIZE FOR WHICH DESIGNED: 1.125 INCHES AND 1.500 INCHES IN
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
VALVE TYPE FOR WHICH DESIGNED: GATE
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 (FLIS)
MATERIALSTEEL
VALVE SIZE FOR WHICH DESIGNED1.125 INCHES AND 1.500 INCHES IN
STEM ACTUATING END TYPETHREADED EXTERNALLY
VALVE TYPE FOR WHICH DESIGNEDGATE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
924438Interchangeable
interchangeable cross-reference
interchangeable
FF-B-187/1Interchangeable
interchangeable cross-reference
interchangeable
MU103BInterchangeable
interchangeable cross-reference
interchangeable
5136-00-197-9531Interchangeable
interchangeable cross-reference
interchangeable
23251Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-296 TY1SEAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2566-051-063?
2566-051-063 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 2566-051-063?
There are 17 known substitutes for 2566-051-063: 924438, FF-B-187/1, MU103B and 14 more. Substitute compatibility should be verified for your specific system.
Is 2566-051-063 still available?
2566-051-063 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026