PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16263Gear,spur

Southern Gear & Machine Inc · NSN 3020-00-128-9837 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-128-9837 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-128-9837. Primary manufacturer part number: 16263.
Features
  • Gear,spur — FSC 3020
  • Body Style: PLAIN, SOLID
  • Face Nominal Width: 0.125 INCHES IN
  • Attachment Method: MOUNTING HOLE
  • Bore Nominal Diameter: 0.375 INCHES BOTH ENDS IN
  • Nominal Outside Diameter: 0.849 INCHES IN
  • Mounting Hole Type and Quantity: 3 PLAIN AXIALLY THROUGH BODY FIRST END
  • Style Designator: HUBLESS
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-128-9837, 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 17 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-128-9837
Primary Part Number16263
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSouthern Gear & Machine Inc
StatusACTIVE
Body StylePLAIN, SOLID
Face Nominal Width0.125 INCHES IN
Attachment MethodMOUNTING HOLE
Bore Nominal Diameter0.375 INCHES BOTH ENDS IN
Nominal Outside Diameter0.849 INCHES IN
Mounting Hole Type and Quantity3 PLAIN AXIALLY THROUGH BODY FIRST END
Style DesignatorHUBLESS
Surface TreatmentANODIZE OVERALL
Tooth FormSTANDARD
MaterialALUMINUM ALLOY 2024 OVERALL
Pitch Diameter0.8323 INCHES MINIMUM AND 0.8333 INCHES MAXIMUM IN
Pressure Angle20.0000 DEGREES
Bolt Hole Circle Nominal Diameter0.625 INCHES AXIALLY THROUGH BODY FIRST END IN
Bore StylePLAIN BOTH ENDS
Material Document and ClassificationQQ-A-250/4,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Mounting Hole Nominal Diameter0.102 INCHES AXIALLY THROUGH BODY FIRST END IN
Teeth Quantity100
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-100-058716263 INTERCHANGEABLE
Cup,tapered Roller Bearing
Harbormaster Marine, Inc
5820-00-134-9977767-6044-001 INTERCHANGEABLE
Ring,tuned Cavity
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5935-00-191-5115 INTERCHANGEABLE
Connector,receptacle,electrical
5930-00-957-96861626-5 INTERCHANGEABLE
Switch,pressure
Dwyer Instruments Inc
5365-01-334-453516263 INTERCHANGEABLE
Shim
Eastern Co Div Eberhard Manufacturing
6515-01-590-6183207.656 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5305-01-723-714316263 INTERCHANGEABLE
Screw,machine
Mercury Marine
Cross-Reference Index
Part NumberManufacturer
579R304H01 Roller Bearing Co of America, Inc Div Pic Design (USA)
579R304H01 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
16263 PRIMARY Southern Gear & Machine Inc (USA)
Related Parts
3110-00-100-0587INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
16263
5820-00-134-9977INTERCHANGEABLE
RING,TUNED CAVITY
767-6044-001
5935-00-191-5115INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5930-00-957-9686INTERCHANGEABLE
SWITCH,PRESSURE
1626-5
5365-01-334-4535INTERCHANGEABLE
SHIM
16263
6515-01-590-6183INTERCHANGEABLE
SCREW,BONE
207.656
5305-01-723-7143INTERCHANGEABLE
SCREW,MACHINE
16263

Frequently Asked Questions

What is NSN 3020-00-128-9837?

NSN 3020-00-128-9837 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 3020-00-128-9837?

NSN 3020-00-128-9837 has 3 cross-referenced part numbers: 579R304H01 (Roller Bearing Co of America, Inc Div Pic Design), 579R304H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 16263 (Southern Gear & Machine Inc).

What NSN replaces 3020-00-128-9837?

There are 7 known substitutes for 3020-00-128-9837: 3110-00-100-0587, 5820-00-134-9977, 5935-00-191-5115 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16263?

Key specifications for 16263: Body Style: PLAIN, SOLID; Face Nominal Width: 0.125 INCHES IN; Attachment Method: MOUNTING HOLE; Bore Nominal Diameter: 0.375 INCHES BOTH ENDS IN. 17 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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