PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1451Gear,spur

Southern Gear & Machine Inc · NSN 3020-00-810-6326 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-810-6326 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-810-6326. Primary manufacturer part number: 1451.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 80
  • Nominal Outside Diameter: 2.561 INCHES IN
  • Hub Nominal Diameter: 0.500 INCHES FIRST END IN
  • Bore Nominal Diameter: 0.249 INCHES BOTH ENDS IN
  • Tooth Form: STANDARD
  • Pressure Angle: 20.0000 DEGREES
  • Style Designator: PROTRUDING HUB
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 3020-00-810-6326, 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 14 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-810-6326
Primary Part Number1451
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSouthern Gear & Machine Inc
StatusACTIVE
Teeth Quantity80
Nominal Outside Diameter2.561 INCHES IN
Hub Nominal Diameter0.500 INCHES FIRST END IN
Bore Nominal Diameter0.249 INCHES BOTH ENDS IN
Tooth FormSTANDARD
Pressure Angle20.0000 DEGREES
Style DesignatorPROTRUDING HUB
Face Nominal Width0.125 INCHES IN
MaterialCOPPER ALLOY OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Bore StylePLAIN BOTH ENDS
Hub Style DesignatorPINNED FIRST END
Body StylePLAIN, WITH LIGHTENING HOLES
Pitch Diameter2.4990 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-215-529125569C1 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5996-00-323-0620608D7P6 INTERCHANGEABLE
Amplifier Subassembly
Keysight Technologies Inc
2530-00-383-5052404239 INTERCHANGEABLE
Steering Wheel
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
5950-00-645-2981 INTERCHANGEABLE
Transformer,radio Frequency
4920-00-708-30522387 INTERCHANGEABLE
Eye Assembly
Marvel Manufacturing Co Div the Marvel Manufacturing Company
5915-00-900-59332387 INTERCHANGEABLE
Filter,band Pass
Torotel, Inc. Div Torotel Products, Inc.
5331-01-005-0534AS3209-387 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
1740-01-166-47282387 INTERCHANGEABLE
Block,mounting
Saginaw Products Corporation Dba Cignys
Cross-Reference Index
Part NumberManufacturer
2387 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
2387 Profile Gear Corp (USA)
1451 PRIMARY Southern Gear & Machine Inc (USA)
Related Parts
5330-00-215-5291INTERCHANGEABLE
GASKET
25569C1
5996-00-323-0620INTERCHANGEABLE
AMPLIFIER SUBASSEMBLY
608D7P6
2530-00-383-5052INTERCHANGEABLE
STEERING WHEEL
404239
5950-00-645-2981INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
4920-00-708-3052INTERCHANGEABLE
EYE ASSEMBLY
2387
5915-00-900-5933INTERCHANGEABLE
FILTER,BAND PASS
2387
5331-01-005-0534INTERCHANGEABLE
O-RING
AS3209-387
1740-01-166-4728INTERCHANGEABLE
BLOCK,MOUNTING
2387

Frequently Asked Questions

What is NSN 3020-00-810-6326?

NSN 3020-00-810-6326 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 3020-00-810-6326?

NSN 3020-00-810-6326 has 3 cross-referenced part numbers: 2387 (L3harris Technologies, Inc. Div Space and Airborne Systems), 2387 (Profile Gear Corp), 1451 (Southern Gear & Machine Inc).

What NSN replaces 3020-00-810-6326?

There are 8 known substitutes for 3020-00-810-6326: 5330-00-215-5291, 5996-00-323-0620, 2530-00-383-5052 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1451?

Key specifications for 1451: Teeth Quantity: 80; Nominal Outside Diameter: 2.561 INCHES IN; Hub Nominal Diameter: 0.500 INCHES FIRST END IN; Bore Nominal Diameter: 0.249 INCHES BOTH ENDS IN. 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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