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212158 ✓ Verified by PartsTable
— · 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 GEAR,HELICAL is a the manufacturer industrial component. Key specifications include end_item_identification: ARSR4. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-517-2933, 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
212158
NSN: 3020-00-517-2933
FSC: 3020
CAGE: 21444 — REXNORD INDUSTRIES LLC (USA)
SPECIFICATIONS
end_item_identificationARSR4
NSN3020-00-517-2933
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,HELICAL TITLE COMPONENT PN 212158 MFR GEAR,HELICAL
KEY FEATURES
•
TOOTH FORM: STANDARD
•
TEETH QUANTITY: 19
•
BODY STYLE: PLAIN, SOLID
•
NOMINAL OVERALL LENGTH: 2.062 INCHES IN
•
TEETH TYPE: SINGLE HELIX
•
PITCH DIAMETER: 2.4750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PROTRUDING HUB
•
TOOTH DIRECTION: LEFT
TECHNICAL CHARACTERISTICS (FLIS)
TOOTH FORMSTANDARD
TEETH QUANTITY19
BODY STYLEPLAIN, SOLID
NOMINAL OVERALL LENGTH2.062 INCHES IN
TEETH TYPESINGLE HELIX
PITCH DIAMETER2.4750 INCHES NOMINAL IN
STYLE DESIGNATORPROTRUDING HUB
TOOTH DIRECTIONLEFT
MATERIALSTEEL OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.125 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
C136-1Interchangeable
interchangeable cross-reference
interchangeable
212110Interchangeable
interchangeable cross-reference
interchangeable
LARC-MY91Interchangeable
interchangeable cross-reference
interchangeable
212110SEALInterchangeable
interchangeable cross-reference
interchangeable
33774Interchangeable
interchangeable cross-reference
interchangeable
3314727Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 212158?
212158 is a GEAR,HELICAL.
What parts can replace 212158?
There are 10 known substitutes for 212158: C136-1, 212110, LARC-MY91 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 212158?
212158 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-517-2933. 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