PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1770796Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-027-4947 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-027-4947 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-027-4947. Primary manufacturer part number: 1770796.
Features
  • Gear,spur — FSC 3020
  • Material Document and Classification: QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment: ANODIZE OVERALL
  • Face Nominal Width: 0.120 INCHES IN
  • Precision Classification: QUALITY NUMBER 10 OR QUALITY NUMBER 11
  • Style Designator: PROTRUDING HUB
  • Nominal Distance Between Body Face and Protruding Hub End: 0.190 INCHES FIRST END IN
  • Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 6061 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-027-4947, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN3020-00-027-4947
Primary Part Number1770796
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Material Document and ClassificationQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentANODIZE OVERALL
Face Nominal Width0.120 INCHES IN
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Style DesignatorPROTRUDING HUB
Nominal Distance Between Body Face and Protruding Hub End0.190 INCHES FIRST END IN
Bore Nominal Diameter0.250 INCHES BOTH ENDS IN
Hub Nominal Diameter0.440 INCHES FIRST END IN
Teeth Quantity36
MaterialALUMINUM ALLOY 6061 OVERALL
Tooth FormSTANDARD
Pitch Diameter0.9990 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
Nominal Overall Length0.310 INCHES IN
Pressure Angle20.0000 DEGREES
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5920-00-248-8882 INTERCHANGEABLE
Fuseholder,block
5325-00-282-63521A9742 INTERCHANGEABLE
Ring,retaining
Napco International Llc Dba Napco International Inc
5330-00-298-1944 INTERCHANGEABLE
Gasket
5962-01-204-760741530 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
3040-01-437-145941530 INTERCHANGEABLE
Ear,piston Rod
Kongsberg Maritime Sweden Ab
5930-01-465-020341-530 INTERCHANGEABLE
Switch,pressure
Thermo King Corporation Dba Phoenix Global Distirbution.
7490-01-609-029341530 INTERCHANGEABLE
Paper Shredder
Dahle North America Inc
5975-01-618-938141530 INTERCHANGEABLE
Conduit,nonmetallic,rigid
Southern Pipe, Inc.
Cross-Reference Index
Part NumberManufacturer
1770796 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
41-530 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5920-00-248-8882INTERCHANGEABLE
FUSEHOLDER,BLOCK
5325-00-282-6352INTERCHANGEABLE
RING,RETAINING
1A9742
5330-00-298-1944INTERCHANGEABLE
GASKET
5962-01-204-7607INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41530
3040-01-437-1459INTERCHANGEABLE
EAR,PISTON ROD
41530
5930-01-465-0203INTERCHANGEABLE
SWITCH,PRESSURE
41-530
7490-01-609-0293INTERCHANGEABLE
PAPER SHREDDER
41530
5975-01-618-9381INTERCHANGEABLE
CONDUIT,NONMETALLIC,RIGID
41530

Frequently Asked Questions

What is NSN 3020-00-027-4947?

NSN 3020-00-027-4947 is a Gear,spur, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-027-4947?

NSN 3020-00-027-4947 has 2 cross-referenced part numbers: 1770796 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 41-530 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 3020-00-027-4947?

There are 8 known substitutes for 3020-00-027-4947: 5920-00-248-8882, 5325-00-282-6352, 5330-00-298-1944 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1770796?

Key specifications for 1770796: Material Document and Classification: QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: ANODIZE OVERALL; Face Nominal Width: 0.120 INCHES IN; Precision Classification: QUALITY NUMBER 10 OR QUALITY NUMBER 11. 15 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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