PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M48A25Gear,spur

Designatronics Inc Perfect Gear and Instrument Div · NSN 3020-00-006-7462 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-006-7462 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-006-7462. Primary manufacturer part number: M48A25.
Features
  • Gear,spur — FSC 3020
  • Attachment Method: CLAMP
  • Body Style: PLAIN, SOLID
  • Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Hub Style Designator: SPLIT FIRST END
  • Bore Nominal Diameter: 0.2500 INCHES BOTH ENDS IN
  • Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Bore Style: PLAIN BOTH ENDS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-006-7462, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Designatronics Inc Perfect Gear and Instrument Div. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-006-7462
Primary Part NumberM48A25
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDesignatronics Inc Perfect Gear and Instrument Div
StatusACTIVE
Attachment MethodCLAMP
Body StylePLAIN, SOLID
Material Document and ClassificationQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Hub Style DesignatorSPLIT FIRST END
Bore Nominal Diameter0.2500 INCHES BOTH ENDS IN
Surface Treatment Document and ClassificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Bore StylePLAIN BOTH ENDS
Style DesignatorPROTRUDING HUB
Surface TreatmentANODIZE OVERALL
Clamping Surface Nominal Length0.2500 INCHES FIRST END IN
Pitch Diameter0.5208 INCHES NOMINAL IN
Precision ClassificationQUALITY NUMBER 10
Hub Nominal Diameter0.3105 INCHES FIRST END IN
MaterialALUMINUM ALLOY 2024 OVERALL
Tooth FormSTANDARD
Nominal Outside Diameter0.5625 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.2810 INCHES FIRST END IN
Pressure Angle20.0000 DEGREES
Face Nominal Width0.125 INCHES IN
Teeth Quantity25
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-040-9778 INTERCHANGEABLE
Retainer and Rollers,bearing
4920-00-176-8339H225 INTERCHANGEABLE
Adapter,engine Trim
Howell Instruments, Inc. Dba Howell Instruments Inc
3110-00-184-5428NRA212 INTERCHANGEABLE
Roller,bearing
Rbc Bearings Incorporated Div West Trenton Division
5930-00-309-4379H2-25 INTERCHANGEABLE
Switch,sensitive
Safran Power Usa, Llc
5999-00-383-2309221464PC108 INTERCHANGEABLE
Heater,thermal Release
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5340-00-677-8457GC1525 INTERCHANGEABLE
Plug,expansion
Concentric Rockford Inc
5310-00-818-9933H22-5 INTERCHANGEABLE
Nut,self-Locking,double Hexagon
Howmet Global Fastening Systems Inc
Cross-Reference Index
Part NumberManufacturer
C48A18-25 W. M. Berg, Inc. (USA)
M48A25 PRIMARY Designatronics Inc Perfect Gear and Instrument Div (USA)
GC15-25 PRIMARY Secs Inc (USA)
H2-25 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
387689-1 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
R21A25 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
Related Parts
3110-00-040-9778INTERCHANGEABLE
RETAINER AND ROLLERS,BEARING
4920-00-176-8339INTERCHANGEABLE
ADAPTER,ENGINE TRIM
H225
3110-00-184-5428INTERCHANGEABLE
ROLLER,BEARING
NRA212
5930-00-309-4379INTERCHANGEABLE
SWITCH,SENSITIVE
H2-25
5999-00-383-2309INTERCHANGEABLE
HEATER,THERMAL RELEASE
221464PC108
5340-00-677-8457INTERCHANGEABLE
PLUG,EXPANSION
GC1525
5310-00-818-9933INTERCHANGEABLE
NUT,SELF-LOCKING,DOUBLE HEXAGON
H22-5

Frequently Asked Questions

What is NSN 3020-00-006-7462?

NSN 3020-00-006-7462 is a Gear,spur, manufactured by Designatronics Inc Perfect Gear and Instrument Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-006-7462?

NSN 3020-00-006-7462 has 6 cross-referenced part numbers: C48A18-25 (W. M. Berg, Inc.), M48A25 (Designatronics Inc Perfect Gear and Instrument Div), GC15-25 (Secs Inc), H2-25 (Roller Bearing Co of America, Inc Div Pic Design), 387689-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products) and 1 more.

What NSN replaces 3020-00-006-7462?

There are 7 known substitutes for 3020-00-006-7462: 3110-00-040-9778, 4920-00-176-8339, 3110-00-184-5428 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M48A25?

Key specifications for M48A25: Attachment Method: CLAMP; Body Style: PLAIN, SOLID; Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Special Features: HUB IS ALSO STEPPED,0.375 IN DIA,0.031 LG IN. 21 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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