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1203220 4.125 IN. BORE — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The HUB,COUPLING,FLEXIBLE is a the manufacturer industrial component. Key specifications include material: STEEL, bore_type: STRAIGHT, overall_length: 3.590 INCHES NOMINAL IN, hub_bore_diameter: 4.125 INCHES MAXIMUM IN, model_or_size_coupling_for_which_designed: 1030G G. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3010-01-413-8921, 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
1203220 4.125 IN. BORE
NSN: 3010-01-413-8921
FSC: 3010
CAGE: 21444 — REXNORD INDUSTRIES LLC (USA)
SPECIFICATIONS
materialSTEEL
bore_typeSTRAIGHT
overall_length3.590 INCHES NOMINAL IN
hub_bore_diameter4.125 INCHES MAXIMUM IN
model_or_size_coupling_for_which_designed1030G G
NSN3010-01-413-8921
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HUB,COUPLING,FLEXIBLE TITLE COMPONENT PN 1203220 4.125 IN. BORE MFR HUB,COUPLING,FLEXIBLE
KEY FEATURES
•
HUB BORE DIAMETER: 4.125 INCHES MAXIMUM IN
•
MODEL OR SIZE COUPLING FOR WHICH DESIGNED: 1030G G
•
MATERIAL: STEEL
•
BORE TYPE: STRAIGHT
TECHNICAL CHARACTERISTICS
HUB BORE DIAMETER4.125 INCHES MAXIMUM IN
MODEL OR SIZE COUPLING FOR WHICH DESIGNED1030G G
MATERIALSTEEL
BORE TYPESTRAIGHT
OVERALL LENGTH3.590 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
335201InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
F93G364InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3338102InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1203220RBInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
149869InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
149869 4.125 IN. BOREInterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1203220 4.125 IN. BORE?
1203220 4.125 IN. BORE is a HUB,COUPLING,FLEXIBLE.
What parts can replace 1203220 4.125 IN. BORE?
There are 8 known substitutes for 1203220 4.125 IN. BORE: 335201, F93G364, 3338102 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1203220 4.125 IN. BORE?
1203220 4.125 IN. BORE is cataloged in the Federal Logistics Information System under NSN 3010-01-413-8921. 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: October 2026