PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

79334Gear Cluster

Fwd Seagrave Holdings Lp · NSN 3020-00-352-6884 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-352-6884 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-352-6884. Primary manufacturer part number: 79334.
Features
  • Gear Cluster — FSC 3020
  • Material Document and Classification: QQ-S-624,COMP 4820 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Design Type: HELICAL SECOND GEAR
  • Design Type: SPUR FIRST GEAR
  • Hardness Rating: 56.3 ROCKWELL C MINIMUM AND 62.1 ROCKWELL C MAXIMUM OVERALL
  • Nominal Overall Length: 5.437 INCHES IN
  • Bore Style: PLAIN BOTH ENDS
  • Supplementary Features: END ITEM,3810-189-9694
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4820 Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-352-6884, 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 14 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
NSN3020-00-352-6884
Primary Part Number79334
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusACTIVE
Material Document and ClassificationQQ-S-624,COMP 4820 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Design TypeHELICAL SECOND GEAR
Design TypeSPUR FIRST GEAR
Hardness Rating56.3 ROCKWELL C MINIMUM AND 62.1 ROCKWELL C MAXIMUM OVERALL
Nominal Overall Length5.437 INCHES IN
Bore StylePLAIN BOTH ENDS
Supplementary FeaturesEND ITEM,3810-189-9694
MaterialSTEEL COMP 4820 OVERALL
Attachment MethodMOUNTING HOLE
Nominal Outside Diameter4.768 INCHES FIFTH GEAR IN
ConstructionSOLID
Backlash DesignationGRADE C FIRST GEAR
Bore Nominal Diameter2.002 INCHES BOTH ENDS IN
Hub Nominal Length2.063 INCHES BETWEEN FIRST AND SECOND GEAR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5998-00-426-484179334 INTERCHANGEABLE
Circuit Card Assembly
Drs Signal Solutions, Inc.
5330-01-273-552179334 INTERCHANGEABLE
Seal,inflatable
Eaton Corporation Dba Eaton Inoac Div Eaton
4820-01-398-846078375 INTERCHANGEABLE
Disk,valve
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Cross-Reference Index
Part NumberManufacturer
79334 PRIMARY Fwd Seagrave Holdings Lp (USA)
Related Parts
5998-00-426-4841INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
79334
5330-01-273-5521INTERCHANGEABLE
SEAL,INFLATABLE
79334
4820-01-398-8460INTERCHANGEABLE
DISK,VALVE
78375

Frequently Asked Questions

What is NSN 3020-00-352-6884?

NSN 3020-00-352-6884 is a Gear Cluster, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-352-6884?

NSN 3020-00-352-6884 has 1 cross-referenced part number: 79334 (Fwd Seagrave Holdings Lp).

What NSN replaces 3020-00-352-6884?

There are 3 known substitutes for 3020-00-352-6884: 5998-00-426-4841, 5330-01-273-5521, 4820-01-398-8460. Verify interchangeability with system specifications before substitution.

What are the specifications of 79334?

Key specifications for 79334: Material Document and Classification: QQ-S-624,COMP 4820 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Design Type: HELICAL SECOND GEAR; Design Type: SPUR FIRST GEAR; Hardness Rating: 56.3 ROCKWELL C MINIMUM AND 62.1 ROCKWELL C MAXIMUM OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com