PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

212159Gear,helical

Rexnord Industries Llc · NSN 3020-00-517-3275 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-517-3275 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-517-3275. Primary manufacturer part number: 212159.
Features
  • Gear,helical — FSC 3020
  • Nominal Distance Between Body Face and Protruding Hub End: 0.188 INCHES SECOND END IN
  • Material: STEEL OVERALL
  • Pitch Diameter: 10.0270 INCHES NOMINAL IN
  • Teeth Quantity: 80
  • Hub Style Designator: PLAIN BOTH ENDS
  • Hardness Rating: 31.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
  • Body Style: WEBBED, OFFSET, SOLID
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-517-3275, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Rexnord Industries Llc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-517-3275
Primary Part Number212159
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRexnord Industries Llc
StatusACTIVE
Nominal Distance Between Body Face and Protruding Hub End0.188 INCHES SECOND END IN
MaterialSTEEL OVERALL
Pitch Diameter10.0270 INCHES NOMINAL IN
Teeth Quantity80
Hub Style DesignatorPLAIN BOTH ENDS
Hardness Rating31.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL
Body StyleWEBBED, OFFSET, SOLID
Face Nominal Width1.750 INCHES IN
Helix Angle30.2999 DEGREES
Teeth TypeSINGLE HELIX
Tooth FormSTANDARD
Taper Major Nominal Diameter1.8680 INCHES FIRST END IN
Nominal Distance From Bore Center to Keyway Bottom1.1371 INCHES FIRST END IN
Features ProvidedTAPERED KEYWAY
Pressure Angle26.1999 DEGREES
Nominal Distance Between Body Face and Protruding Hub End0.312 INCHES FIRST END IN
Hub Nominal Diameter3.250 INCHES FIRST END IN
Hub Nominal Diameter2.250 INCHES SECOND END IN
Bore StyleTAPERED W/KEYWAY FIRST END
Keyway Nominal Width0.3760 INCHES FIRST END IN
Style DesignatorPROTRUDING HUBS
Tooth DirectionRIGHT
Nominal Outside Diameter10.2435 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-100-05181118444 INTERCHANGEABLE
Cup,tapered Roller Bearing
Dressta North America Ltd
5365-00-480-8230212159 INTERCHANGEABLE
Spacer,ring
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
6625-01-223-2980 INTERCHANGEABLE
Ohmmeter
Cross-Reference Index
Part NumberManufacturer
212159 PRIMARY Rexnord Industries Llc (USA)
502597PC8 Rexnord Industries Llc (USA)
Related Parts
3110-00-100-0518INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
1118444
5365-00-480-8230INTERCHANGEABLE
SPACER,RING
212159
6625-01-223-2980INTERCHANGEABLE
OHMMETER

Frequently Asked Questions

What is NSN 3020-00-517-3275?

NSN 3020-00-517-3275 is a Gear,helical, manufactured by Rexnord Industries Llc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-517-3275?

NSN 3020-00-517-3275 has 2 cross-referenced part numbers: 212159 (Rexnord Industries Llc), 502597PC8 (Rexnord Industries Llc).

What NSN replaces 3020-00-517-3275?

There are 3 known substitutes for 3020-00-517-3275: 3110-00-100-0518, 5365-00-480-8230, 6625-01-223-2980. Verify interchangeability with system specifications before substitution.

What are the specifications of 212159?

Key specifications for 212159: Nominal Distance Between Body Face and Protruding Hub End: 0.188 INCHES SECOND END IN; Material: STEEL OVERALL; Pitch Diameter: 10.0270 INCHES NOMINAL IN; Teeth Quantity: 80. 24 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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