PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A61730Gear,spur

Southern Gear & Machine Inc · NSN 3020-00-517-2636 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-517-2636 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-517-2636. Primary manufacturer part number: A61730.
Features
  • Gear,spur — FSC 3020
  • Body Style: PLAIN, SOLID
  • Attachment Method: MOUNTING HOLE
  • Style Designator: PROTRUDING HUBS
  • Pressure Angle: 14.5000 DEGREES
  • Face Nominal Width: 0.125 INCHES IN
  • Bore Nominal Diameter: 0.125 INCHES BOTH ENDS IN
  • Hub Style Designator: PLAIN BOTH ENDS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 416 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-517-2636, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-517-2636
Primary Part NumberA61730
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSouthern Gear & Machine Inc
StatusACTIVE
Body StylePLAIN, SOLID
Attachment MethodMOUNTING HOLE
Style DesignatorPROTRUDING HUBS
Pressure Angle14.5000 DEGREES
Face Nominal Width0.125 INCHES IN
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Hub Style DesignatorPLAIN BOTH ENDS
MaterialSTEEL COMP 416 OVERALL
Hub Nominal Diameter0.250 INCHES BOTH ENDS IN
Mounting Hole Type and Quantity1 PLAIN TRANSVERSELY THROUGH HUB FIRST END
Nominal Distance Between Body Face and Protruding Hub End0.188 INCHES FIRST END IN
Bore StylePLAIN BOTH ENDS
Tooth FormSTANDARD
Nominal Outside Diameter0.699 INCHES IN
Material Document and ClassificationQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.062 INCHES SECOND END IN
Teeth Quantity20
Pitch Diameter0.6370 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-298-049961730 INTERCHANGEABLE
Gasket
Rexnord Holdings Inc
5935-00-543-87771225865 INTERCHANGEABLE
Connector,receptacle,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-00-986-6976230-10372 INTERCHANGEABLE
Valve,globe
Danfoss Power Solutions II, Llc
Cross-Reference Index
Part NumberManufacturer
A61730 Arma Div Ambac Industries Inc
A61730 PRIMARY Southern Gear & Machine Inc (USA)
61730 Arma Div Ambac Industries Inc
Related Parts
5330-00-298-0499INTERCHANGEABLE
GASKET
61730
5935-00-543-8777INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1225865
4820-00-986-6976INTERCHANGEABLE
VALVE,GLOBE
230-10372

Frequently Asked Questions

What is NSN 3020-00-517-2636?

NSN 3020-00-517-2636 is a Gear,spur, manufactured by Southern Gear & Machine Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-517-2636?

NSN 3020-00-517-2636 has 3 cross-referenced part numbers: A61730 (Arma Div Ambac Industries Inc), A61730 (Southern Gear & Machine Inc), 61730 (Arma Div Ambac Industries Inc).

What NSN replaces 3020-00-517-2636?

There are 3 known substitutes for 3020-00-517-2636: 5330-00-298-0499, 5935-00-543-8777, 4820-00-986-6976. Verify interchangeability with system specifications before substitution.

What are the specifications of A61730?

Key specifications for A61730: Body Style: PLAIN, SOLID; Attachment Method: MOUNTING HOLE; Style Designator: PROTRUDING HUBS; Pressure Angle: 14.5000 DEGREES. 19 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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