PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25101-1Gear,spur

Solar Turbines Incorporated Dba Solar Turbines Incorporated · NSN 3020-00-962-0183 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-962-0183 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-962-0183. Primary manufacturer part number: 25101-1.
Features
  • Gear,spur — FSC 3020
  • Hub Style Designator: 2 STEPS FIRST END
  • First Step Nominal Diameter: 1.110 INCHES SECOND END IN
  • Nominal Distance Between Body Face and Protruding Hub End: 1.416 INCHES FIRST END IN
  • Face Nominal Width: 0.250 INCHES IN
  • End Nominal Diameter: 0.938 INCHES FIRST END IN
  • First Step Nominal Diameter: 0.984 INCHES FIRST END IN
  • Surface Treatment Document and Classification: MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4140 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-962-0183, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Solar Turbines Incorporated Dba Solar Turbines Incorporated. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN3020-00-962-0183
Primary Part Number25101-1
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSolar Turbines Incorporated Dba Solar Turbines Incorporated
StatusACTIVE
Hub Style Designator2 STEPS FIRST END
First Step Nominal Diameter1.110 INCHES SECOND END IN
Nominal Distance Between Body Face and Protruding Hub End1.416 INCHES FIRST END IN
Face Nominal Width0.250 INCHES IN
End Nominal Diameter0.938 INCHES FIRST END IN
First Step Nominal Diameter0.984 INCHES FIRST END IN
Surface Treatment Document and ClassificationMIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentOXIDE OVERALL
Nominal Outside Diameter5.250 INCHES IN
End Nominal Diameter0.984 INCHES SECOND END IN
Pitch Diameter5.1250 INCHES NOMINAL IN
End Nominal Length0.686 INCHES FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.728 INCHES SECOND END IN
First Step Nominal Length0.250 INCHES SECOND END IN
Style DesignatorPROTRUDING HUBS
End Nominal Length0.480 INCHES SECOND END IN
Teeth Quantity82
Hardness Rating28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Pressure Angle20.0000 DEGREES
Material Document and ClassificationQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hub Style Designator1 STEP SECOND END
Bore StylePLAIN BOTH ENDS
Body StylePLAIN, SOLID
First Step Nominal Length0.480 INCHES FIRST END IN
Tooth FormSTANDARD
MaterialSTEEL COMP 4140 OVERALL
Second Step Nominal Length0.250 INCHES FIRST END IN
Second Step Nominal Diameter1.111 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5220-00-111-8324251-01 INTERCHANGEABLE
Gaging Member,comparator,air Plu
Hamilton Sundstrand Corporation
5133-00-189-9323 INTERCHANGEABLE
Drill,twist
5915-00-197-4753505527-2 INTERCHANGEABLE
Filter,band Pass
L3harris Technologies, Inc. Dba Harris Corporation
3433-00-223-74832-5-101 INTERCHANGEABLE
Tip,cutting Torch
Victor Equipment Co
2805-00-382-8021028379 INTERCHANGEABLE
Connecting Rod,piston
Caterpillar Inc Div Caterpillar Defense
5930-00-596-81157615K4 INTERCHANGEABLE
Switch,toggle
Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit
2530-00-700-20578299-56-5-1 INTERCHANGEABLE
Shaft
Kenworth Truck Co a Div of Paccar Inc
5935-01-033-651225101-1 INTERCHANGEABLE
Connector,receptacle,electrical
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6220-01-167-77812510-1 INTERCHANGEABLE
Light,cockpit,aircraft
Aerospace Lighting Corporation
5310-01-194-0416 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
25101-1 PRIMARY Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA)
25101-1 Rtx Corporation Div Pratt & Whitney (USA)
25101 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
5220-00-111-8324INTERCHANGEABLE
GAGING MEMBER,COMPARATOR,AIR PLU
251-01
5133-00-189-9323INTERCHANGEABLE
DRILL,TWIST
5915-00-197-4753INTERCHANGEABLE
FILTER,BAND PASS
505527-2
3433-00-223-7483INTERCHANGEABLE
TIP,CUTTING TORCH
2-5-101
2805-00-382-8021INTERCHANGEABLE
CONNECTING ROD,PISTON
028379
5930-00-596-8115INTERCHANGEABLE
SWITCH,TOGGLE
7615K4
2530-00-700-2057INTERCHANGEABLE
SHAFT
8299-56-5-1
5935-01-033-6512INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
25101-1
6220-01-167-7781INTERCHANGEABLE
LIGHT,COCKPIT,AIRCRAFT
2510-1
5310-01-194-0416INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
4720-01-219-5614INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
S085-25-2707
4820-01-220-6407INTERCHANGEABLE
VALVE,SAFETY RELIEF
EV-377

Frequently Asked Questions

What is NSN 3020-00-962-0183?

NSN 3020-00-962-0183 is a Gear,spur, manufactured by Solar Turbines Incorporated Dba Solar Turbines Incorporated, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-962-0183?

NSN 3020-00-962-0183 has 3 cross-referenced part numbers: 25101-1 (Solar Turbines Incorporated Dba Solar Turbines Incorporated), 25101-1 (Rtx Corporation Div Pratt & Whitney), 25101 (Rtx Corporation Div Pratt & Whitney).

What NSN replaces 3020-00-962-0183?

There are 12 known substitutes for 3020-00-962-0183: 5220-00-111-8324, 5133-00-189-9323, 5915-00-197-4753 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25101-1?

Key specifications for 25101-1: Hub Style Designator: 2 STEPS FIRST END; First Step Nominal Diameter: 1.110 INCHES SECOND END IN; Nominal Distance Between Body Face and Protruding Hub End: 1.416 INCHES FIRST END IN; Face Nominal Width: 0.250 INCHES IN. 28 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com