PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121582Gear,bevel

Fwd Seagrave Holdings Lp · NSN 3020-00-517-7672 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-517-7672 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-517-7672. Primary manufacturer part number: 121582.
Features
  • Gear,bevel — FSC 3020
  • Material Document and Classification: 66,AISI/SAE 4615 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Outside Diameter: 6.1510 INCHES IN
  • Hardness Rating: 56.3 ROCKWELL C MINIMUM AND 62.5 ROCKWELL C MAXIMUM OVERALL
  • Spline Quantity: 10 BOTH ENDS
  • Body Recess Nominal Depth: 0.3300 INCHES FIRST END IN
  • Material: STEEL COMP 4615 OVERALL
  • Teeth Quantity: 24
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4615 Overall construction
General Description

The Gear,bevel, cataloged under National Stock Number 3020-00-517-7672, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN3020-00-517-7672
Primary Part Number121582
Item NameGear,bevel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusACTIVE
Material Document and Classification66,AISI/SAE 4615 FED STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Outside Diameter6.1510 INCHES IN
Hardness Rating56.3 ROCKWELL C MINIMUM AND 62.5 ROCKWELL C MAXIMUM OVERALL
Spline Quantity10 BOTH ENDS
Body Recess Nominal Depth0.3300 INCHES FIRST END IN
MaterialSTEEL COMP 4615 OVERALL
Teeth Quantity24
Pressure Angle20.0000 DEGREES
Body StylePLAIN, SOLID
Pitch Angle51.7500 DEGREES
Nominal Overall Length2.830 INCHES IN
Hub Style DesignatorPLAIN SECOND END
Hub Nominal Diameter2.865 INCHES SECOND END IN
Face Nominal Width1.500 INCHES IN
Bore StyleSTRAIGHT SPLINE BOTH ENDS
Pitch Diameter6.0000 INCHES NOMINAL IN
Teeth TypeSTRAIGHT
Nominal Distance Between Body Face and Protruding Hub End1.540 INCHES SECOND END IN
Style DesignatorPERIPHERAL FACE, BACK HUB PROTRUDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2910-00-367-360925588D INTERCHANGEABLE
Link,fuel Pump
Komatsu America Corp.
5815-00-392-1838 INTERCHANGEABLE
Bail,selector
5935-01-544-0056HD10-3-96P INTERCHANGEABLE
Connector,receptacle,electrical
Ladd Technical Tool Co
Cross-Reference Index
Part NumberManufacturer
121582 PRIMARY Fwd Seagrave Holdings Lp (USA)
Related Parts
2910-00-367-3609INTERCHANGEABLE
LINK,FUEL PUMP
25588D
5815-00-392-1838INTERCHANGEABLE
BAIL,SELECTOR
5935-01-544-0056INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
HD10-3-96P

Frequently Asked Questions

What is NSN 3020-00-517-7672?

NSN 3020-00-517-7672 is a Gear,bevel, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-517-7672?

NSN 3020-00-517-7672 has 1 cross-referenced part number: 121582 (Fwd Seagrave Holdings Lp).

What NSN replaces 3020-00-517-7672?

There are 3 known substitutes for 3020-00-517-7672: 2910-00-367-3609, 5815-00-392-1838, 5935-01-544-0056. Verify interchangeability with system specifications before substitution.

What are the specifications of 121582?

Key specifications for 121582: Material Document and Classification: 66,AISI/SAE 4615 FED STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Outside Diameter: 6.1510 INCHES IN; Hardness Rating: 56.3 ROCKWELL C MINIMUM AND 62.5 ROCKWELL C MAXIMUM OVERALL; Spline Quantity: 10 BOTH ENDS. 19 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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