PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

154-84Gear,spur

Southern Gear & Machine Inc · NSN 3020-00-825-6313 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-825-6313 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-825-6313. Primary manufacturer part number: 154-84.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 84
  • Body Style: PLAIN, SOLID
  • Nominal Outside Diameter: 1.791 INCHES IN
  • Face Nominal Width: 0.125 INCHES IN
  • Tooth Form: STANDARD
  • Pitch Diameter: 1.7490 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN
  • Precision Classification: QUALITY NUMBER 10
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 3020-00-825-6313, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Southern Gear & Machine Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-825-6313
Primary Part Number154-84
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSouthern Gear & Machine Inc
StatusCANCELLED
Teeth Quantity84
Body StylePLAIN, SOLID
Nominal Outside Diameter1.791 INCHES IN
Face Nominal Width0.125 INCHES IN
Tooth FormSTANDARD
Pitch Diameter1.7490 INCHES MINIMUM AND 1.7500 INCHES MAXIMUM IN
Precision ClassificationQUALITY NUMBER 10
Hub Style DesignatorPLAIN FIRST END
Bore StylePLAIN BOTH ENDS
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Hub Nominal Diameter0.500 INCHES FIRST END IN
MaterialALUMINUM ALLOY 2024 OVERALL
Material Document and ClassificationQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentANODIZE OVERALL
Pressure Angle20.0000 DEGREES
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Style DesignatorPROTRUDING HUB
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3020-00-050-4971B68S20 INTERCHANGEABLE
Gear,spur
Designatronics Inc Perfect Gear and Instrument Div
5940-00-159-02431JA2597-19 INTERCHANGEABLE
Terminal,stud
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4820-00-324-091315-484 INTERCHANGEABLE
Valve,linear,directional Control
Dresser Industries Inc Leroi Div
2805-00-354-3476 INTERCHANGEABLE
Guide,valve Stem
1560-00-436-759130300 INTERCHANGEABLE
Tank,fuel,aircraft
American Fuel Cell and Coated Fabrics Company, Llc
3020-00-903-2153 INTERCHANGEABLE
Gear,spur
3020-00-903-5829450115-35 INTERCHANGEABLE
Gear,spur
Bae Systems Information and Electronic Systems Integration Inc.
3020-00-940-8618450115-22 INTERCHANGEABLE
Gear,spur
Bae Systems Information and Electronic Systems Integration Inc.
5940-01-045-8957 INTERCHANGEABLE
Terminal,stud
2915-01-126-424615484 INTERCHANGEABLE
Body,pump
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
450115 Bae Systems Information and Electronic Systems Integration Inc. (USA)
H21A-84 Designatronics Incorporated Div Sterling Instruments Div (USA)
GP25-84 Secs Inc (USA)
G4-84 Roller Bearing Co of America, Inc Div Pic Design (USA)
154-84 PRIMARY Southern Gear & Machine Inc (USA)
10131629 Us Army Aviation and Missile Command (USA)
34A181 Telex Computer Products Inc (USA)
450115-37 Bae Systems Information and Electronic Systems Integration Inc. (USA)
P48A26-84 W. M. Berg, Inc. (USA)
DG4T84 Allied Devices Corp Dba Absolute Precision Co (USA)
Related Parts
3020-00-050-4971INTERCHANGEABLE
GEAR,SPUR
B68S20
5940-00-159-0243INTERCHANGEABLE
TERMINAL,STUD
1JA2597-19
4820-00-324-0913INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
15-484
2805-00-354-3476INTERCHANGEABLE
GUIDE,VALVE STEM
1560-00-436-7591INTERCHANGEABLE
TANK,FUEL,AIRCRAFT
30300
3020-00-903-2153INTERCHANGEABLE
GEAR,SPUR
3020-00-903-5829INTERCHANGEABLE
GEAR,SPUR
450115-35
3020-00-940-8618INTERCHANGEABLE
GEAR,SPUR
450115-22
5940-01-045-8957INTERCHANGEABLE
TERMINAL,STUD
2915-01-126-4246INTERCHANGEABLE
BODY,PUMP
15484
8145-01-141-9780INTERCHANGEABLE
HANDLING CASE,POD
15484
1730-01-144-8262INTERCHANGEABLE
CYLINDER,OUTRIGGER,SWING OUT
15484

Frequently Asked Questions

What is NSN 3020-00-825-6313?

NSN 3020-00-825-6313 is a Gear,spur, manufactured by Southern Gear & Machine Inc, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-825-6313?

NSN 3020-00-825-6313 has 10 cross-referenced part numbers: 450115 (Bae Systems Information and Electronic Systems Integration Inc.), H21A-84 (Designatronics Incorporated Div Sterling Instruments Div), GP25-84 (Secs Inc), G4-84 (Roller Bearing Co of America, Inc Div Pic Design), 154-84 (Southern Gear & Machine Inc) and 5 more.

What NSN replaces 3020-00-825-6313?

There are 12 known substitutes for 3020-00-825-6313: 3020-00-050-4971, 5940-00-159-0243, 4820-00-324-0913 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 154-84?

Key specifications for 154-84: Teeth Quantity: 84; Body Style: PLAIN, SOLID; Nominal Outside Diameter: 1.791 INCHES IN; Face Nominal Width: 0.125 INCHES IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-825-6313 still in active supply?

NSN 3020-00-825-6313 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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