PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6668Gear Cluster

Spx Flow Us, Llc Dba Spx Valves & Controls · NSN 3020-01-110-9916 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-110-9916 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-110-9916. Primary manufacturer part number: 6668.
Features
  • Gear Cluster — FSC 3020
  • Nominal Outside Diameter: 3.000 INCHES FIRST GEAR IN
  • Design Type: SPUR SECOND GEAR
  • Design Type: SPUR FIRST GEAR
  • Nominal Outside Diameter: 1.000 INCHES SECOND GEAR IN
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 1019 OVERALL
  • 2 verified cross-references
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 1019 Overall construction
General Description

The Gear Cluster, cataloged under National Stock Number 3020-01-110-9916, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Spx Flow Us, Llc Dba Spx Valves & Controls. Government technical data includes 6 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-110-9916
Primary Part Number6668
Item NameGear Cluster
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSpx Flow Us, Llc Dba Spx Valves & Controls
StatusACTIVE
Nominal Outside Diameter3.000 INCHES FIRST GEAR IN
Design TypeSPUR SECOND GEAR
Design TypeSPUR FIRST GEAR
Nominal Outside Diameter1.000 INCHES SECOND GEAR IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1019 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2530-00-140-36841097-668 INTERCHANGEABLE
Tie Rod,steering
Wheeler Fleet Solutions, Co.
6610-00-181-62816668 INTERCHANGEABLE
Spring,pendulum
Sigma Tek, Inc.
4730-00-193-2700A733S-128CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
4510-00-478-8150 INTERCHANGEABLE
Faucet,single
4720-00-815-6354 INTERCHANGEABLE
Hose,nonmetallic
5826-00-853-73726668 INTERCHANGEABLE
Panel,module
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
5950-00-955-9884900266-8 INTERCHANGEABLE
Saturable Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5365-01-098-58686668-1R INTERCHANGEABLE
Spacer
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
4820-01-176-05016600D33 INTERCHANGEABLE
Piston Sensing Assembly
Greno Industries, Inc. Dba Greno Industries Inc
6515-01-317-85026668 INTERCHANGEABLE
Cartridge Assembly,respiratory S
Bird Products Corp
Cross-Reference Index
Part NumberManufacturer
6668 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
X74222 PIECE-37 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
Related Parts
2530-00-140-3684INTERCHANGEABLE
TIE ROD,STEERING
1097-668
6610-00-181-6281INTERCHANGEABLE
SPRING,PENDULUM
6668
4730-00-193-2700INTERCHANGEABLE
NIPPLE,PIPE
A733S-128CFB
4510-00-478-8150INTERCHANGEABLE
FAUCET,SINGLE
4720-00-815-6354INTERCHANGEABLE
HOSE,NONMETALLIC
5826-00-853-7372INTERCHANGEABLE
PANEL,MODULE
6668
5950-00-955-9884INTERCHANGEABLE
SATURABLE REACTOR
900266-8
5365-01-098-5868INTERCHANGEABLE
SPACER
6668-1R
4820-01-176-0501INTERCHANGEABLE
PISTON SENSING ASSEMBLY
6600D33
6515-01-317-8502INTERCHANGEABLE
CARTRIDGE ASSEMBLY,RESPIRATORY S
6668
2330-01-387-5424INTERCHANGEABLE
CHASSIS,TRAILER
12450001

Frequently Asked Questions

What is NSN 3020-01-110-9916?

NSN 3020-01-110-9916 is a Gear Cluster, manufactured by Spx Flow Us, Llc Dba Spx Valves & Controls, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-110-9916?

NSN 3020-01-110-9916 has 2 cross-referenced part numbers: 6668 (Spx Flow Us, Llc Dba Spx Valves & Controls), X74222 PIECE-37 (Spx Flow Us, Llc Dba Spx Valves & Controls).

What NSN replaces 3020-01-110-9916?

There are 11 known substitutes for 3020-01-110-9916: 2530-00-140-3684, 6610-00-181-6281, 4730-00-193-2700 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6668?

Key specifications for 6668: Nominal Outside Diameter: 3.000 INCHES FIRST GEAR IN; Design Type: SPUR SECOND GEAR; Design Type: SPUR FIRST GEAR; Nominal Outside Diameter: 1.000 INCHES SECOND GEAR IN. 6 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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