PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1770739Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-050-6753 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-050-6753 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-050-6753. Primary manufacturer part number: 1770739.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 1.6240 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN
  • Face Nominal Width: 0.435 INCHES IN
  • Tooth Form: STANDARD
  • Material Document and Classification: QQ-S-764,TYPE 416 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Pressure Angle: 14.5000 DEGREES
  • Material: STEEL COMP 416 OVERALL
  • Style Designator: HUBLESS, RECESSED BODY
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 3020-00-050-6753, 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 17 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-050-6753
Primary Part Number1770739
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Pitch Diameter1.6240 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN
Face Nominal Width0.435 INCHES IN
Tooth FormSTANDARD
Material Document and ClassificationQQ-S-764,TYPE 416 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Pressure Angle14.5000 DEGREES
MaterialSTEEL COMP 416 OVERALL
Style DesignatorHUBLESS, RECESSED BODY
Body StyleWEBBED, SOLID
Nominal Outside Diameter1.707 INCHES IN
Counterbore Nominal Diameter1.2500 INCHES FIRST END IN
Teeth Quantity39
Surface TreatmentPASSIVATE OVERALL
Body Recess Nominal Depth0.250 INCHES FIRST END IN
Bore Nominal Diameter0.3131 INCHES FIRST END IN
Bore StyleW/COUNTERBORE BOTH ENDS
Counterbore Nominal Depth0.2000 INCHES FIRST END IN
Precision ClassificationQUALITY NUMBER 10 OR QUALITY NUMBER 11
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5977-00-335-4167F2245 INTERCHANGEABLE
Ring Assembly,electrical Contact
Moog Inc.
5365-00-622-656941680 INTERCHANGEABLE
Spacer,piston
Triumph Engine Control Systems Llc
6105-01-167-7943 INTERCHANGEABLE
Motor,alternating Current
Cross-Reference Index
Part NumberManufacturer
41-680 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1770739 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5977-00-335-4167INTERCHANGEABLE
RING ASSEMBLY,ELECTRICAL CONTACT
F2245
5365-00-622-6569INTERCHANGEABLE
SPACER,PISTON
41680
6105-01-167-7943INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT

Frequently Asked Questions

What is NSN 3020-00-050-6753?

NSN 3020-00-050-6753 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 3020-00-050-6753?

NSN 3020-00-050-6753 has 2 cross-referenced part numbers: 41-680 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1770739 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3020-00-050-6753?

There are 3 known substitutes for 3020-00-050-6753: 5977-00-335-4167, 5365-00-622-6569, 6105-01-167-7943. Verify interchangeability with system specifications before substitution.

What are the specifications of 1770739?

Key specifications for 1770739: Pitch Diameter: 1.6240 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN; Face Nominal Width: 0.435 INCHES IN; Tooth Form: STANDARD; Material Document and Classification: QQ-S-764,TYPE 416 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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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