PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31033Gear,spur

Bomag Usa Sub of United Dominion Industries Ltd · NSN 3020-00-374-6139 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-374-6139 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-374-6139. Primary manufacturer part number: 31033.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 9.8000 INCHES NOMINAL IN
  • Attachment Method: MOUNTING HOLE
  • Teeth Quantity: 49
  • Nominal Outside Diameter: 10.165 INCHES IN
  • Pressure Angle: 20.0000 DEGREES
  • Bore Style: PLAIN BOTH ENDS
  • Body Recess Nominal Depth: 0.187 INCHES SECOND END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 4620 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-374-6139, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Bomag Usa Sub of United Dominion Industries Ltd. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-374-6139
Primary Part Number31033
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerBomag Usa Sub of United Dominion Industries Ltd
StatusACTIVE
Pitch Diameter9.8000 INCHES NOMINAL IN
Attachment MethodMOUNTING HOLE
Teeth Quantity49
Nominal Outside Diameter10.165 INCHES IN
Pressure Angle20.0000 DEGREES
Bore StylePLAIN BOTH ENDS
Body Recess Nominal Depth0.187 INCHES SECOND END IN
Mounting Hole Nominal Diameter0.516 INCHES AXIALLY THROUGH BODY FIRST END IN
MaterialSTEEL COMP 4620 OVERALL
Material Document and ClassificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Face Nominal Width1.000 INCHES IN
Body Recess Nominal Depth0.406 INCHES FIRST END IN
Bore Nominal Diameter6.624 INCHES BOTH ENDS IN
Tooth FormSTANDARD
Hardness Rating58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL
Mounting Hole Type and Quantity8 PLAIN AXIALLY THROUGH BODY FIRST END
Style DesignatorHUBLESS, RECESSED BODY
Body StyleWEBBED, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5945-00-213-010131-033 INTERCHANGEABLE
Solenoid,electrical
United Technologies Corp Electro Systems Inc
6685-00-453-5287 INTERCHANGEABLE
Marker,limit,manome
6505-00-576-8842NDC00186-0175-04 INTERCHANGEABLE
Lidocaine Hydrochloride and Epin
Astra Pharmaceuticals Lp
5120-00-596-1584 INTERCHANGEABLE
Tape,fish
5905-00-618-020331033 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Vishay Intertechnology, Inc.
3020-00-844-4367753251 INTERCHANGEABLE
Spider
Fwd Seagrave Holdings Lp
4810-01-257-124131033 INTERCHANGEABLE
Seat,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
7025-01-646-930331033 INTERCHANGEABLE
Disk Drive Unit
Iomega Corporation
Cross-Reference Index
Part NumberManufacturer
31033 Bomag Usa Sub of United Dominion Industries Ltd (USA)
Related Parts
5945-00-213-0101INTERCHANGEABLE
SOLENOID,ELECTRICAL
31-033
6685-00-453-5287INTERCHANGEABLE
MARKER,LIMIT,MANOME
6505-00-576-8842INTERCHANGEABLE
LIDOCAINE HYDROCHLORIDE AND EPIN
NDC00186-0175-04
5120-00-596-1584INTERCHANGEABLE
TAPE,FISH
5905-00-618-0203INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
31033
3020-00-844-4367INTERCHANGEABLE
SPIDER
753251
4810-01-257-1241INTERCHANGEABLE
SEAT,VALVE
31033
7025-01-646-9303INTERCHANGEABLE
DISK DRIVE UNIT
31033

Frequently Asked Questions

What is NSN 3020-00-374-6139?

NSN 3020-00-374-6139 is a Gear,spur, manufactured by Bomag Usa Sub of United Dominion Industries Ltd, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-374-6139?

NSN 3020-00-374-6139 has 1 cross-referenced part number: 31033 (Bomag Usa Sub of United Dominion Industries Ltd).

What NSN replaces 3020-00-374-6139?

There are 8 known substitutes for 3020-00-374-6139: 5945-00-213-0101, 6685-00-453-5287, 6505-00-576-8842 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31033?

Key specifications for 31033: Pitch Diameter: 9.8000 INCHES NOMINAL IN; Attachment Method: MOUNTING HOLE; Teeth Quantity: 49; Nominal Outside Diameter: 10.165 INCHES IN. 18 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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