PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24172Gear,spur

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 3020-00-439-9891 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-439-9891 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-439-9891. Primary manufacturer part number: 24172.
Features
  • Gear,spur — FSC 3020
  • Nominal Outside Diameter: 1.076 INCHES IN
  • Style Designator: HUBLESS
  • Bore Nominal Diameter: 0.506 INCHES BOTH ENDS IN
  • Pitch Diameter: 0.9091 INCHES NOMINAL IN
  • Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
  • Tooth Form: STANDARD
  • Material Document and Classification: AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp E9310 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-439-9891, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-439-9891
Primary Part Number24172
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Nominal Outside Diameter1.076 INCHES IN
Style DesignatorHUBLESS
Bore Nominal Diameter0.506 INCHES BOTH ENDS IN
Pitch Diameter0.9091 INCHES NOMINAL IN
Hardness Rating32.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
Tooth FormSTANDARD
Material Document and ClassificationAMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Body StylePLAIN, SOLID
Bore StyleSTRAIGHT SPLINE BOTH ENDS
Face Nominal Width0.436 INCHES IN
MaterialSTEEL COMP E9310 OVERALL
Teeth Quantity12
Spline Quantity16 BOTH ENDS
Pressure Angle20.0000 DEGREES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5133-00-233-6425 INTERCHANGEABLE
Drill,twist
5330-00-360-8491 INTERCHANGEABLE
Gasket
5961-00-445-3230 INTERCHANGEABLE
Semiconductor Device,diode
5120-00-613-7444 INTERCHANGEABLE
Adapter,fastener Installation to
5998-00-854-083324172 INTERCHANGEABLE
Circuit Card Assembly
Hamilton Sundstrand Corporation Dba Collins Aerospace
5910-01-030-5062 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
2530-01-095-967952D7908-1 INTERCHANGEABLE
Brake Drum
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
6110-01-299-697924172 INTERCHANGEABLE
Starter,motor
Ward Leonard Ct Llc
4330-01-322-5756241772 INTERCHANGEABLE
Parts Kit,air Filter
Sullair Corp
Cross-Reference Index
Part NumberManufacturer
24172 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
24172 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
Related Parts
5133-00-233-6425INTERCHANGEABLE
DRILL,TWIST
5330-00-360-8491INTERCHANGEABLE
GASKET
5961-00-445-3230INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5120-00-613-7444INTERCHANGEABLE
ADAPTER,FASTENER INSTALLATION TO
5998-00-854-0833INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
24172
5910-01-030-5062INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
2530-01-095-9679INTERCHANGEABLE
BRAKE DRUM
52D7908-1
6110-01-299-6979INTERCHANGEABLE
STARTER,MOTOR
24172
4330-01-322-5756INTERCHANGEABLE
PARTS KIT,AIR FILTER
241772

Frequently Asked Questions

What is NSN 3020-00-439-9891?

NSN 3020-00-439-9891 is a Gear,spur, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-439-9891?

NSN 3020-00-439-9891 has 2 cross-referenced part numbers: 24172 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 24172 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).

What NSN replaces 3020-00-439-9891?

There are 9 known substitutes for 3020-00-439-9891: 5133-00-233-6425, 5330-00-360-8491, 5961-00-445-3230 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 24172?

Key specifications for 24172: Nominal Outside Diameter: 1.076 INCHES IN; Style Designator: HUBLESS; Bore Nominal Diameter: 0.506 INCHES BOTH ENDS IN; Pitch Diameter: 0.9091 INCHES NOMINAL IN. 14 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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