PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

167-7409321-11Gear,spur

Naval Sea Systems Command · NSN 3020-01-509-1454 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-509-1454 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-509-1454. Primary manufacturer part number: 167-7409321-11.
Features
  • Gear,spur — FSC 3020
  • Material: NICKEL ALLOY OVERALL
  • Teeth Quantity: 39
  • Style Designator: HUBLESS
  • Pitch Diameter: 9.7500 INCHES NOMINAL IN
  • Body Style: PLAIN, SOLID
  • Material Document and Classification: QQ-N-281 CLASS A FORM 6 COND. HF (ANL) FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Pressure Angle: 20.0000 DEGREES
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Nickel Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-509-1454, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-509-1454
Primary Part Number167-7409321-11
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
MaterialNICKEL ALLOY OVERALL
Teeth Quantity39
Style DesignatorHUBLESS
Pitch Diameter9.7500 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Material Document and ClassificationQQ-N-281 CLASS A FORM 6 COND. HF (ANL) FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Pressure Angle20.0000 DEGREES
Face Nominal Width2.500 INCHES IN
Nominal Outside Diameter10.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-404-81897409321 INTERCHANGEABLE
Washer,flat
U S Army Tank Automotive Command Amsta-Im-Mm
5360-00-447-9003111470HX INTERCHANGEABLE
Spring,helical,compression
Navistar Intl Corp Truck Br Ohio Plant
3020-01-508-6138167-7409321-10 INTERCHANGEABLE
Gear Sector,spur
Naval Sea Systems Command
3010-01-508-6259167-7409321-8 INTERCHANGEABLE
Coupling,shaft,rigid
Naval Sea Systems Command
3040-01-509-1434167-7409321-7 INTERCHANGEABLE
Shaft,shouldered
Naval Sea Systems Command
3120-01-509-2059596-7409363-3 INTERCHANGEABLE
Bearing,sleeve
Naval Sea Systems Command
3120-01-509-2061B541-1410-6 INTERCHANGEABLE
Bearing,sleeve
Electric Boat Corporation Div General Dynamics Electric Boat
3120-01-509-2194KJB897472V-MC INTERCHANGEABLE
Bearing,sleeve
Kamatics Corporation
5365-01-509-2199B541-1110-80 INTERCHANGEABLE
Shim
Electric Boat Corporation Div General Dynamics Electric Boat
5365-01-509-2377167-7409320-55 INTERCHANGEABLE
Spacer,ring
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
167-7409321-11 PRIMARY Naval Sea Systems Command (USA)
7409321 Naval Sea Systems Command (USA)
B541-1100-20 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
7409320 Naval Sea Systems Command (USA)
B541-1110-11 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
167-7409320-20 Naval Sea Systems Command (USA)
Related Parts
5310-00-404-8189INTERCHANGEABLE
WASHER,FLAT
7409321
5360-00-447-9003INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
111470HX
3020-01-508-6138INTERCHANGEABLE
GEAR SECTOR,SPUR
167-7409321-10
3010-01-508-6259INTERCHANGEABLE
COUPLING,SHAFT,RIGID
167-7409321-8
3040-01-509-1434INTERCHANGEABLE
SHAFT,SHOULDERED
167-7409321-7
3120-01-509-2059INTERCHANGEABLE
BEARING,SLEEVE
596-7409363-3
3120-01-509-2061INTERCHANGEABLE
BEARING,SLEEVE
B541-1410-6
3120-01-509-2194INTERCHANGEABLE
BEARING,SLEEVE
KJB897472V-MC
5365-01-509-2199INTERCHANGEABLE
SHIM
B541-1110-80
5365-01-509-2377INTERCHANGEABLE
SPACER,RING
167-7409320-55
5365-01-509-2381INTERCHANGEABLE
SPACER,RING
167-7409320-57
3120-01-509-2406INTERCHANGEABLE
BUSHING,SLEEVE
167-7409320-116

Frequently Asked Questions

What is NSN 3020-01-509-1454?

NSN 3020-01-509-1454 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-509-1454?

NSN 3020-01-509-1454 has 6 cross-referenced part numbers: 167-7409321-11 (Naval Sea Systems Command), 7409321 (Naval Sea Systems Command), B541-1100-20 (Electric Boat Corporation Div General Dynamics Electric Boat), 7409320 (Naval Sea Systems Command), B541-1110-11 (Electric Boat Corporation Div General Dynamics Electric Boat) and 1 more.

What NSN replaces 3020-01-509-1454?

There are 12 known substitutes for 3020-01-509-1454: 5310-00-404-8189, 5360-00-447-9003, 3020-01-508-6138 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 167-7409321-11?

Key specifications for 167-7409321-11: Material: NICKEL ALLOY OVERALL; Part Name Assigned by Controlling Agency: GEAR, PINION; Special Features: USED WITH SHAFT, NSN 3040-01-509-1434, ON HATCH ASSY.; Teeth Quantity: 39. 12 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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