PartsTable
Technical Data Sheet
PartsTable / MRO / 21-0123
21-0123 ✓ Verified by PartsTable
Vertiv · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

CAT 5, RJ-45 - DB-25 Male adapter, DCE (8 Wire). Key specifications include body_shape: ROUND, body_length: 0.406 INCHES NOMINAL IN, design_type: DRY, body_diameter: 0.094 INCHES NOMINAL IN, cubic_measure: 0.003 CUBIC INCHES, terminal_type: WIRE LEAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-105-0143, 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
MRO→ MRO_GENERAL→ 21-0123
NSN: 3110-01-105-0143
FSC: 3110
CAGE: 81795 — ALLIANZ SWEEPER COMPANY (USA)
SPECIFICATIONS
body_shapeROUND
body_length0.406 INCHES NOMINAL IN
design_typeDRY
body_diameter0.094 INCHES NOMINAL IN
cubic_measure0.003 CUBIC INCHES
terminal_typeWIRE LEAD
tube_quantity1
inclosure_typeENCAPSULATED
muffler_designSTRAIGHT THROUGH
terminal_length1.500 INCHES MINIMUM IN
overall_diameter9.000 INCHES NOMINAL IN
special_featuresMUFFLER IS PART OF ASSEMBLY NO. 210-151
NSN3110-01-105-0143
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 21-0123 · Vertiv ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
443-0955-162Interchangeable
interchangeable cross-reference
interchangeable
1009SM4R75-1Interchangeable
interchangeable cross-reference
interchangeable
239E4R75Interchangeable
interchangeable cross-reference
interchangeable
210123Interchangeable
interchangeable cross-reference
interchangeable
0KI590Interchangeable
interchangeable cross-reference
interchangeable
210-151Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21-0123?
21-0123 is a RESISTOR,FIXED,WIRE WOUND,INDUCT manufactured by Vertiv. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21-0123?
There are 6 known substitutes for 21-0123: 443-0955-162, 1009SM4R75-1, 239E4R75 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21-0123?
21-0123 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-01-105-0143. 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