PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74-8-3Gear Cluster

Dana Corp Spicer Transmission Div · NSN 3020-00-215-0968 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-215-0968 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-215-0968. Primary manufacturer part number: 74-8-3.
Features
  • Gear Cluster — FSC 3020
  • Bore Style: PLAIN BOTH ENDS
  • Nominal Outside Diameter: 8.754 INCHES FIRST GEAR IN
  • Nominal Outside Diameter: 3.797 INCHES SECOND GEAR IN
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 8620H ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Hardness Rating: 59.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
  • Construction: SOLID
  • Material: STEEL COMP 8620H OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 8620h Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-215-0968, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dana Corp Spicer Transmission Div. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-215-0968
Primary Part Number74-8-3
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDana Corp Spicer Transmission Div
StatusACTIVE
Bore StylePLAIN BOTH ENDS
Nominal Outside Diameter8.754 INCHES FIRST GEAR IN
Nominal Outside Diameter3.797 INCHES SECOND GEAR IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 8620H ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Hardness Rating59.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
ConstructionSOLID
MaterialSTEEL COMP 8620H OVERALL
Attachment MethodMOUNTING HOLE
Design TypeSPUR SECOND GEAR
Bore Nominal Diameter2.825 INCHES BOTH ENDS IN
Nominal Overall Length2.000 INCHES IN
Design TypeHELICAL FIRST GEAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6515-00-290-19427483 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
5975-00-296-6090256 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
2835-00-333-47307483 INTERCHANGEABLE
Dipstick and Filler Assembly
Solar Turbines Incorporated Dba Solar Turbines Incorporated
2815-00-393-5586 INTERCHANGEABLE
Valve,poppet,engine
5915-01-029-3737 INTERCHANGEABLE
Filter,high Pass
4820-01-061-44107483 INTERCHANGEABLE
Body,valve
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
3030-01-147-641015485 INTERCHANGEABLE
Belt,v
Muviq Usa, Llc
5315-01-197-31457483 INTERCHANGEABLE
Pin,spring
Danuser Machine Co
4320-01-275-248119380-1 INTERCHANGEABLE
Sleeve,hub,impeller
Coffin Turbo Pump Inc
5340-01-449-46247483 INTERCHANGEABLE
Strike,electric
Hanchett Entry Systems
Cross-Reference Index
Part NumberManufacturer
22522M Diamond Reo Truck Co (USA)
697788R1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
74-8-3 Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products (USA)
74-8-3 PRIMARY Dana Corp Spicer Transmission Div (USA)
5T5505 White Motor Corp (USA)
Related Parts
6515-00-290-1942INTERCHANGEABLE
BAG,OSTOMY
7483
5975-00-296-6090INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
256
2835-00-333-4730INTERCHANGEABLE
DIPSTICK AND FILLER ASSEMBLY
7483
2815-00-393-5586INTERCHANGEABLE
VALVE,POPPET,ENGINE
5915-01-029-3737INTERCHANGEABLE
FILTER,HIGH PASS
4820-01-061-4410INTERCHANGEABLE
BODY,VALVE
7483
3030-01-147-6410INTERCHANGEABLE
BELT,V
15485
5315-01-197-3145INTERCHANGEABLE
PIN,SPRING
7483
4320-01-275-2481INTERCHANGEABLE
SLEEVE,HUB,IMPELLER
19380-1
5340-01-449-4624INTERCHANGEABLE
STRIKE,ELECTRIC
7483

Frequently Asked Questions

What is NSN 3020-00-215-0968?

NSN 3020-00-215-0968 is a Gear Cluster, manufactured by Dana Corp Spicer Transmission Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-215-0968?

NSN 3020-00-215-0968 has 5 cross-referenced part numbers: 22522M (Diamond Reo Truck Co), 697788R1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 74-8-3 (Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products), 74-8-3 (Dana Corp Spicer Transmission Div), 5T5505 (White Motor Corp).

What NSN replaces 3020-00-215-0968?

There are 10 known substitutes for 3020-00-215-0968: 6515-00-290-1942, 5975-00-296-6090, 2835-00-333-4730 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 74-8-3?

Key specifications for 74-8-3: Bore Style: PLAIN BOTH ENDS; Special Features: 4 OIL GROOVES 5/32 RX 1/16 DEEP BOTH SIDES; Nominal Outside Diameter: 8.754 INCHES FIRST GEAR IN; Nominal Outside Diameter: 3.797 INCHES SECOND GEAR IN. 13 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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