PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31039Gear,spur

Pax Mfg Corp Hammarlund Mfg Co Div · NSN 3020-00-640-4699 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-640-4699 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-640-4699. Primary manufacturer part number: 31039.
Features
  • Gear,spur — FSC 3020
  • Face Nominal Width: 0.188 INCHES IN
  • Bore Style: PLAIN BOTH ENDS
  • Pressure Angle: 20.0000 DEGREES
  • Style Designator: HUBLESS
  • Tooth Form: STANDARD
  • Teeth Quantity: 24
  • Pitch Diameter: 0.7500 INCHES NOMINAL IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-640-4699, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Pax Mfg Corp Hammarlund Mfg Co Div. Government technical data includes 11 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-640-4699
Primary Part Number31039
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerPax Mfg Corp Hammarlund Mfg Co Div
StatusACTIVE
Face Nominal Width0.188 INCHES IN
Bore StylePLAIN BOTH ENDS
Pressure Angle20.0000 DEGREES
Style DesignatorHUBLESS
Tooth FormSTANDARD
Teeth Quantity24
Pitch Diameter0.7500 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Bore Nominal Diameter0.251 INCHES BOTH ENDS IN
Nominal Outside Diameter0.828 INCHES IN
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5930-00-327-7853 INTERCHANGEABLE
Switch,rotary
2910-00-377-5548PF906 INTERCHANGEABLE
Filter Element,fluid
Baldwin Filters
5330-01-261-183731039 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Bourns Inc
3120-01-327-340331039 INTERCHANGEABLE
Bearing,sleeve
Adams Rite Aerospace, Inc
1670-01-682-72313103-9 INTERCHANGEABLE
Steering Line,parachute
Butler Parachute Systems, Inc
Cross-Reference Index
Part NumberManufacturer
31039 PRIMARY Pax Mfg Corp Hammarlund Mfg Co Div (USA)
Related Parts
5930-00-327-7853INTERCHANGEABLE
SWITCH,ROTARY
2910-00-377-5548INTERCHANGEABLE
FILTER ELEMENT,FLUID
PF906
5330-01-261-1837INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
31039
3120-01-327-3403INTERCHANGEABLE
BEARING,SLEEVE
31039
1670-01-682-7231INTERCHANGEABLE
STEERING LINE,PARACHUTE
3103-9

Frequently Asked Questions

What is NSN 3020-00-640-4699?

NSN 3020-00-640-4699 is a Gear,spur, manufactured by Pax Mfg Corp Hammarlund Mfg Co Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-640-4699?

NSN 3020-00-640-4699 has 1 cross-referenced part number: 31039 (Pax Mfg Corp Hammarlund Mfg Co Div).

What NSN replaces 3020-00-640-4699?

There are 5 known substitutes for 3020-00-640-4699: 5930-00-327-7853, 2910-00-377-5548, 5330-01-261-1837 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31039?

Key specifications for 31039: Face Nominal Width: 0.188 INCHES IN; Bore Style: PLAIN BOTH ENDS; Pressure Angle: 20.0000 DEGREES; Style Designator: HUBLESS. 11 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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