L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 3020-00-540-4449 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-540-4449 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-540-4449. Primary manufacturer part number: 1851.
3020-00-540-4449 — No Item Name Available illustration
Features
Gear,spur — FSC 3020
Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN
Nominal Distance Between Body Face and Protruding Hub End: 0.250 INCHES FIRST END IN
Style Designator: PROTRUDING HUB
Tooth Form: STANDARD
Pressure Angle: 20.0000 DEGREES
Hub Nominal Diameter: 0.500 INCHES FIRST END IN
Pitch Diameter: 1.7500 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 3020-00-540-4449, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 15 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3020-00-540-4449
Primary Part Number
1851
Item Name
Gear,spur
FSC / FSG
3020 / 30 — No Item Name Available
Manufacturer
L3harris Technologies, Inc. Div Space and Airborne Systems
Status
ACTIVE
Bore Nominal Diameter
0.250 INCHES BOTH ENDS IN
Nominal Distance Between Body Face and Protruding Hub End
0.250 INCHES FIRST END IN
Style Designator
PROTRUDING HUB
Tooth Form
STANDARD
Pressure Angle
20.0000 DEGREES
Hub Nominal Diameter
0.500 INCHES FIRST END IN
Pitch Diameter
1.7500 INCHES NOMINAL IN
Teeth Quantity
84
Face Nominal Width
0.125 INCHES IN
Bore Style
PLAIN BOTH ENDS
Hub Style Designator
PINNED FIRST END
Material
COPPER ALLOY OVERALL
Material Document and Classification
NAVY 46B15,1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN 3020-00-540-4449 is a Gear,spur, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 3020 (No Item Name Available). Status: active.
What are the part numbers for NSN 3020-00-540-4449?
NSN 3020-00-540-4449 has 1 cross-referenced part number: 1851 (L3harris Technologies, Inc. Div Space and Airborne Systems).
What NSN replaces 3020-00-540-4449?
There are 12 known substitutes for 3020-00-540-4449: 4820-00-036-1730, 3110-00-117-0571, 5325-00-148-5509 and 9 more. Verify interchangeability with system specifications before substitution.
What are the specifications of 1851?
Key specifications for 1851: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Nominal Distance Between Body Face and Protruding Hub End: 0.250 INCHES FIRST END IN; Style Designator: PROTRUDING HUB; Tooth Form: STANDARD. 15 total characteristics are documented in the Federal Logistics Information System.
✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.