PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5805Gear,internal

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · NSN 3020-00-426-1900 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-426-1900 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-426-1900. Primary manufacturer part number: 5805.
Features
  • Gear,internal — FSC 3020
  • Teeth Type: SPUR
  • Nominal Outside Diameter: 10.373 INCHES IN
  • Material: IRON CAST OVERALL
  • Body Style: PLAIN, SOLID
  • Pitch Diameter: 8.5100 INCHES MINIMUM AND 8.5150 INCHES MAXIMUM IN
  • Mounting Hole Type and Quantity: 6 PLAIN AXIALLY THROUGH BODY FIRST END
  • Teeth Quantity: 51
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Iron Cast Overall construction
General Description

The Gear,internal, cataloged under National Stock Number 3020-00-426-1900, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 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
NSN3020-00-426-1900
Primary Part Number5805
Item NameGear,internal
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTwin Disc, Incorporated Dba Twin Disc Mid-Atlantic
StatusACTIVE
Teeth TypeSPUR
Nominal Outside Diameter10.373 INCHES IN
MaterialIRON CAST OVERALL
Body StylePLAIN, SOLID
Pitch Diameter8.5100 INCHES MINIMUM AND 8.5150 INCHES MAXIMUM IN
Mounting Hole Type and Quantity6 PLAIN AXIALLY THROUGH BODY FIRST END
Teeth Quantity51
Bolt Hole Circle Nominal Diameter9.625 INCHES AXIALLY THROUGH BODY FIRST END IN
Tooth FormSTANDARD
Pressure Angle20.0000 DEGREES
Mounting Hole Nominal Diameter0.406 INCHES AXIALLY THROUGH BODY FIRST END IN
Nominal Overall Length0.625 INCHES IN
Style DesignatorPLAIN RING
Attachment MethodMOUNTING HOLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4730-00-132-99485656 INTERCHANGEABLE
Clamp,hose
Epicor Industries Inc Ideal Div
2995-00-199-7418 INTERCHANGEABLE
Coupling,drive,star
5331-00-699-2097PRP568-007DC675 INTERCHANGEABLE
O-Ring
Parco, Llc
4320-01-034-48315805 INTERCHANGEABLE
Plate,pressure,rotary Pump
Megator Corp
4820-01-039-5666 INTERCHANGEABLE
Valve,globe
1285-01-091-53455805 INTERCHANGEABLE
Extractor
Protolab
6625-01-441-8356 INTERCHANGEABLE
Probe,test
1680-01-648-51645805 INTERCHANGEABLE
Lcs Filter Element
Pacific Design Technologies, Inc. Dba Pacific Design Technologies
5340-01-669-32425805 INTERCHANGEABLE
Cleaning,grease,kit
Lincoln Industrial Corporation Div Lincoln Industrial Corporation
Cross-Reference Index
Part NumberManufacturer
X8419APC5805 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
TD5808 Dresser, Llc (USA)
594APC5805 R. H. Sheppard Co., Inc. Dba Sheppard (USA)
18557PC5805 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
C108HP4PC5805 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
TD5805 R. H. Sheppard Co., Inc. Dba Sheppard (USA)
39127D Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
18556PC5805 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
C108HP3PC5805 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
5805 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
5805 C. H. & E. Manufacturing Co. Inc Div Abs Dewatering (USA)
Related Parts
4730-00-132-9948INTERCHANGEABLE
CLAMP,HOSE
5656
2995-00-199-7418INTERCHANGEABLE
COUPLING,DRIVE,STAR
5331-00-699-2097INTERCHANGEABLE
O-RING
PRP568-007DC675
4320-01-034-4831INTERCHANGEABLE
PLATE,PRESSURE,ROTARY PUMP
5805
4820-01-039-5666INTERCHANGEABLE
VALVE,GLOBE
1285-01-091-5345INTERCHANGEABLE
EXTRACTOR
5805
6625-01-441-8356INTERCHANGEABLE
PROBE,TEST
1680-01-648-5164INTERCHANGEABLE
LCS FILTER ELEMENT
5805
5340-01-669-3242INTERCHANGEABLE
CLEANING,GREASE,KIT
5805

Frequently Asked Questions

What is NSN 3020-00-426-1900?

NSN 3020-00-426-1900 is a Gear,internal, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-426-1900?

NSN 3020-00-426-1900 has 11 cross-referenced part numbers: X8419APC5805 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), TD5808 (Dresser, Llc), 594APC5805 (R. H. Sheppard Co., Inc. Dba Sheppard), 18557PC5805 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), C108HP4PC5805 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic) and 6 more.

What NSN replaces 3020-00-426-1900?

There are 9 known substitutes for 3020-00-426-1900: 4730-00-132-9948, 2995-00-199-7418, 5331-00-699-2097 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5805?

Key specifications for 5805: Teeth Type: SPUR; Nominal Outside Diameter: 10.373 INCHES IN; Material: IRON CAST OVERALL; Body Style: PLAIN, SOLID. 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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