PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26-270Gear,spur

Dresser Industries Inc Leroi Div · NSN 3020-00-448-0822 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-448-0822 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-448-0822. Primary manufacturer part number: 26-270.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 19.7500 INCHES NOMINAL IN
  • Tooth Form: STANDARD
  • Pressure Angle: 20.0000 DEGREES
  • Bore Nominal Diameter: 17.998 INCHES BOTH ENDS IN
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
  • Nominal Outside Diameter: 19.928 INCHES IN
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 1045 and Steel Comp 1050 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-448-0822, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-448-0822
Primary Part Number26-270
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusCANCELLED
Pitch Diameter19.7500 INCHES NOMINAL IN
Tooth FormSTANDARD
Pressure Angle20.0000 DEGREES
Bore Nominal Diameter17.998 INCHES BOTH ENDS IN
Hardness Rating45.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
Nominal Outside Diameter19.928 INCHES IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1045 AND STEEL COMP 1050 OVERALL
Features ProvidedCASEHARDENED
Style DesignatorHUBLESS
Face Nominal Width0.940 INCHES IN
Bore StylePLAIN BOTH ENDS
Teeth Quantity158
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5310-00-050-32448785427 INTERCHANGEABLE
Nut,self-Locking,hexagon
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament
4730-00-277-81655164312 INTERCHANGEABLE
Tee,pipe to Tube
Rolls-Royce Solutions America Inc
2540-00-318-01498359820 INTERCHANGEABLE
Parts Kit,vehicular Compartment
U S Army Tank Automotive Command Amsta-Im-Mm
4130-00-580-0492 INTERCHANGEABLE
Filter-Drier,refrigerant
1680-00-601-3483800075 INTERCHANGEABLE
Plug Assy,serrated,
Mag Aerospace Industries, Llc Div Safran Cabins
2920-00-922-030910060 INTERCHANGEABLE
Drive,engine,electrical Starter
Purolator Products Co Div Motor Components, Llc
6645-01-133-4292 INTERCHANGEABLE
Timer,sequential
5905-01-177-9210 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5950-01-263-349726270 INTERCHANGEABLE
Transformer,audio Frequency
Torotel, Inc. Div Torotel Products, Inc.
Cross-Reference Index
Part NumberManufacturer
8333154 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
800075 Dresser, Llc (USA)
26-270 PRIMARY Dresser Industries Inc Leroi Div (USA)
Related Parts
5310-00-050-3244INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
8785427
4730-00-277-8165INTERCHANGEABLE
TEE,PIPE TO TUBE
5164312
2540-00-318-0149INTERCHANGEABLE
PARTS KIT,VEHICULAR COMPARTMENT
8359820
4130-00-580-0492INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
1680-00-601-3483INTERCHANGEABLE
PLUG ASSY,SERRATED,
800075
2920-00-922-0309INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
10060
6645-01-133-4292INTERCHANGEABLE
TIMER,SEQUENTIAL
5905-01-177-9210INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5950-01-263-3497INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
26270

Frequently Asked Questions

What is NSN 3020-00-448-0822?

NSN 3020-00-448-0822 is a Gear,spur, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-448-0822?

NSN 3020-00-448-0822 has 3 cross-referenced part numbers: 8333154 (U S Army Tank Automotive Command Amsta-Im-Mm), 800075 (Dresser, Llc), 26-270 (Dresser Industries Inc Leroi Div).

What NSN replaces 3020-00-448-0822?

There are 9 known substitutes for 3020-00-448-0822: 5310-00-050-3244, 4730-00-277-8165, 2540-00-318-0149 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26-270?

Key specifications for 26-270: Pitch Diameter: 19.7500 INCHES NOMINAL IN; Tooth Form: STANDARD; Pressure Angle: 20.0000 DEGREES; Bore Nominal Diameter: 17.998 INCHES BOTH ENDS IN. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-448-0822 still in active supply?

NSN 3020-00-448-0822 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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