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Technical Data Sheet
PartsTable / COMPONENT / 202573K
202573K ✓ 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 OVERALL, overall_width: 0.6875 INCHES NOMINAL IN, outside_diameter: 3.4843 INCHES NOMINAL IN, special_features: STEEP ANGLE, style_designator: NORMAL ANGLE, backface_corner_radius: 0.0630 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-550-6436, 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
202573K
NSN: 4820-01-550-6436
FSC: 4820
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.6875 INCHES NOMINAL IN
outside_diameter3.4843 INCHES NOMINAL IN
special_featuresSTEEP ANGLE
style_designatorNORMAL ANGLE
backface_corner_radius0.0630 INCHES NOMINAL IN
standard_tolerance_designationAFBMA CLASS 2
NSN4820-01-550-6436
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 202573K · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
202573Interchangeable
Bag,surveyor's
interchangeable
HDS1-2AInterchangeable
Bag,surveyor's
interchangeable
107220Interchangeable
interchangeable cross-reference
interchangeable
44348Interchangeable
interchangeable cross-reference
interchangeable
BB4616AInterchangeable
interchangeable cross-reference
interchangeable
202574 ASSEMBLY 202573KInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 202573K?
202573K is a CUP,TAPERED ROLLER BEARING.
What parts can replace 202573K?
There are 6 known substitutes for 202573K: 202573, HDS1-2A, 107220 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 202573K?
202573K is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-550-6436. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026