PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30278-1Gear,spur

Rtx Corporation Div Pratt & Whitney · NSN 3020-00-015-8600 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-015-8600 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-015-8600. Primary manufacturer part number: 30278-1.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 23
  • Pitch Diameter: 0.7188 INCHES NOMINAL IN
  • Nominal Distance Between Body Face and Protruding Hub End: 1.615 INCHES FIRST END IN
  • Bore Nominal Diameter: 0.249 INCHES BOTH ENDS IN
  • Face Nominal Width: 0.725 INCHES IN
  • Nominal Outside Diameter: 0.806 INCHES IN
  • Tooth Form: STANDARD
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-015-8600, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-015-8600
Primary Part Number30278-1
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRtx Corporation Div Pratt & Whitney
StatusCANCELLED
Teeth Quantity23
Pitch Diameter0.7188 INCHES NOMINAL IN
Nominal Distance Between Body Face and Protruding Hub End1.615 INCHES FIRST END IN
Bore Nominal Diameter0.249 INCHES BOTH ENDS IN
Face Nominal Width0.725 INCHES IN
Nominal Outside Diameter0.806 INCHES IN
Tooth FormSTANDARD
MaterialSTEEL OVERALL
Hub Spline Pitch Diameter0.8688 INCHES NOMINAL FIRST END IN
Pressure Angle20.0000 DEGREES
Bore StylePLAIN BOTH ENDS
Hub Style DesignatorEXTERNALLY SPLINED, INVOLUTE SPLINES FIRST END
Style DesignatorPROTRUDING HUB
Material Document and ClassificationAMS6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentCARBON TEETH
Hub Spline Quantity15 FIRST END
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5930-00-162-865530-278-1 INTERCHANGEABLE
Switch,rotary
Kidde Technologies, Inc Div Kidde Aerospace and Defense
1370-00-429-615930278 INTERCHANGEABLE
Cartridge,photoflash,practice
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5940-01-069-8914 INTERCHANGEABLE
Splice,conductor
2935-01-254-644930278 INTERCHANGEABLE
Ring,wearing
Adams E M
3455-01-308-569230278 INTERCHANGEABLE
Cutter,milling,end
Johnson Carbide Products Inc
4930-01-374-299430278 INTERCHANGEABLE
Oiler,self-Feeding
Cat Pumps Corp
5975-01-481-5382863-000220 INTERCHANGEABLE
Cover,conduit Outlet
Guild Associates Inc
5120-01-727-854030278 INTERCHANGEABLE
Screwdriver,cross Tip
Wiha Quality Tools
Cross-Reference Index
Part NumberManufacturer
30278-1 Alamo Aircraft, Ltd. (USA)
30278-1 PRIMARY Rtx Corporation Div Pratt & Whitney (USA)
30278 Rtx Corporation Div Pratt & Whitney (USA)
30278 Alamo Aircraft, Ltd. (USA)
Related Parts
5930-00-162-8655INTERCHANGEABLE
SWITCH,ROTARY
30-278-1
1370-00-429-6159INTERCHANGEABLE
CARTRIDGE,PHOTOFLASH,PRACTICE
30278
5940-01-069-8914INTERCHANGEABLE
SPLICE,CONDUCTOR
2935-01-254-6449INTERCHANGEABLE
RING,WEARING
30278
3455-01-308-5692INTERCHANGEABLE
CUTTER,MILLING,END
30278
4930-01-374-2994INTERCHANGEABLE
OILER,SELF-FEEDING
30278
5975-01-481-5382INTERCHANGEABLE
COVER,CONDUIT OUTLET
863-000220
5120-01-727-8540INTERCHANGEABLE
SCREWDRIVER,CROSS TIP
30278

Frequently Asked Questions

What is NSN 3020-00-015-8600?

NSN 3020-00-015-8600 is a Gear,spur, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-015-8600?

NSN 3020-00-015-8600 has 4 cross-referenced part numbers: 30278-1 (Alamo Aircraft, Ltd.), 30278-1 (Rtx Corporation Div Pratt & Whitney), 30278 (Rtx Corporation Div Pratt & Whitney), 30278 (Alamo Aircraft, Ltd.).

What NSN replaces 3020-00-015-8600?

There are 8 known substitutes for 3020-00-015-8600: 5930-00-162-8655, 1370-00-429-6159, 5940-01-069-8914 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30278-1?

Key specifications for 30278-1: Teeth Quantity: 23; Pitch Diameter: 0.7188 INCHES NOMINAL IN; Nominal Distance Between Body Face and Protruding Hub End: 1.615 INCHES FIRST END IN; Bore Nominal Diameter: 0.249 INCHES BOTH ENDS IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-015-8600 still in active supply?

NSN 3020-00-015-8600 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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