PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

154-3772Gear,spur

R R Transmissions Inc · NSN 3020-01-446-3770 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-446-3770 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-446-3770. Primary manufacturer part number: 154-3772.
Features
  • Gear,spur — FSC 3020
  • 4 verified cross-references
  • Primary manufacturer: R R Transmissions Inc
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-446-3770, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is R R Transmissions Inc. This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear,spur
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersR R Transmissions Inc (CAGE 0M7H9)
Technical Specifications
ParameterValue
NSN3020-01-446-3770
Primary Part Number154-3772
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerR R Transmissions Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6680-00-203-2218GS4644 INTERCHANGEABLE
Tachometer
Hamilton Sundstrand Corporation Dba Collins Aerospace
3455-00-203-6894 INTERCHANGEABLE
Blade,power Hacksaw
1040-00-936-928554A50C133 INTERCHANGEABLE
Cable Assy,tank
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3120-01-081-620222043-1 INTERCHANGEABLE
Bearing,sleeve
Breeze-Eastern Llc
5950-01-089-4364240-0957-070 INTERCHANGEABLE
Coil,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3020-01-446-3736154-3768 INTERCHANGEABLE
Gear,spur
R R Transmissions Inc
3020-01-446-3765154-3763 INTERCHANGEABLE
Gear,spur
R R Transmissions Inc
3010-01-446-3792154-3315 INTERCHANGEABLE
Coupling,shaft,rigid
R R Transmissions Inc
3040-01-446-3799154-1556 INTERCHANGEABLE
Shaft,straight
R R Transmissions Inc
3040-01-446-3802154-1560 INTERCHANGEABLE
Shaft,straight
R R Transmissions Inc
Cross-Reference Index
Part NumberManufacturer
22-043 R R Transmissions Inc (USA)
EX-515-1 POS NO. 60F R R Transmissions Inc (USA)
EX-515-1 R R Transmissions Inc (USA)
154-3772 PRIMARY R R Transmissions Inc (USA)
Related Parts
6680-00-203-2218INTERCHANGEABLE
TACHOMETER
GS4644
3455-00-203-6894INTERCHANGEABLE
BLADE,POWER HACKSAW
1040-00-936-9285INTERCHANGEABLE
CABLE ASSY,TANK
54A50C133
3120-01-081-6202INTERCHANGEABLE
BEARING,SLEEVE
22043-1
5950-01-089-4364INTERCHANGEABLE
COIL,RADIO FREQUENCY
240-0957-070
3020-01-446-3736INTERCHANGEABLE
GEAR,SPUR
154-3768
3020-01-446-3765INTERCHANGEABLE
GEAR,SPUR
154-3763
3010-01-446-3792INTERCHANGEABLE
COUPLING,SHAFT,RIGID
154-3315
3040-01-446-3799INTERCHANGEABLE
SHAFT,STRAIGHT
154-1556
3040-01-446-3802INTERCHANGEABLE
SHAFT,STRAIGHT
154-1560
3040-01-446-3852INTERCHANGEABLE
SHAFT,STRAIGHT
154-1553
6515-01-593-8022INTERCHANGEABLE
BONE PLATE
02.114.514

Frequently Asked Questions

What is NSN 3020-01-446-3770?

NSN 3020-01-446-3770 is a Gear,spur, manufactured by R R Transmissions Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-446-3770?

NSN 3020-01-446-3770 has 4 cross-referenced part numbers: 22-043 (R R Transmissions Inc), EX-515-1 POS NO. 60F (R R Transmissions Inc), EX-515-1 (R R Transmissions Inc), 154-3772 (R R Transmissions Inc).

What NSN replaces 3020-01-446-3770?

There are 12 known substitutes for 3020-01-446-3770: 6680-00-203-2218, 3455-00-203-6894, 1040-00-936-9285 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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