PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1770761Gear,spur

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3020-00-021-3187 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-021-3187 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-021-3187. Primary manufacturer part number: 1770761.
Features
  • Gear,spur — FSC 3020
  • Style Designator: PROTRUDING HUBS
  • Hub Style Designator: PLAIN SECOND END
  • Hub Style Designator: 1 STEP FIRST END
  • Attachment Method: STAKED
  • 3 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-021-3187, 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 4 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
NSN3020-00-021-3187
Primary Part Number1770761
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Style DesignatorPROTRUDING HUBS
Hub Style DesignatorPLAIN SECOND END
Hub Style Designator1 STEP FIRST END
Attachment MethodSTAKED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5962-00-251-8896SMC750116 INTERCHANGEABLE
Microcircuit,digital
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-494-735293116 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Whirlpool Corp Dba Whirlpool Corp
6210-00-500-015093-116 INTERCHANGEABLE
Lens,light
Bechler Andre Ltd
5985-00-566-58159311-6 INTERCHANGEABLE
Attenuator,fixed
Spectrum Control Inc Div Weinschel
5330-01-017-2917 INTERCHANGEABLE
Seal
5330-01-521-9980 INTERCHANGEABLE
Seal,plain Encased
5330-01-577-498893116 INTERCHANGEABLE
Packing,preformed
Ingersoll-Rand Company Dba Ingersoll-Rand
5305-01-598-928112759-01355 INTERCHANGEABLE
Screw,cap,socket Head
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
93-116 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1770761 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
1770761REVA Naval Sea Systems Command (USA)
Related Parts
5962-00-251-8896INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SMC750116
5330-00-494-7352INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
93116
6210-00-500-0150INTERCHANGEABLE
LENS,LIGHT
93-116
5985-00-566-5815INTERCHANGEABLE
ATTENUATOR,FIXED
9311-6
5330-01-017-2917INTERCHANGEABLE
SEAL
5330-01-521-9980INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-01-577-4988INTERCHANGEABLE
PACKING,PREFORMED
93116
5305-01-598-9281INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
12759-01355

Frequently Asked Questions

What is NSN 3020-00-021-3187?

NSN 3020-00-021-3187 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 3020-00-021-3187?

NSN 3020-00-021-3187 has 3 cross-referenced part numbers: 93-116 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1770761 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1770761REVA (Naval Sea Systems Command).

What NSN replaces 3020-00-021-3187?

There are 8 known substitutes for 3020-00-021-3187: 5962-00-251-8896, 5330-00-494-7352, 6210-00-500-0150 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1770761?

Key specifications for 1770761: Style Designator: PROTRUDING HUBS; Hub Style Designator: PLAIN SECOND END; Hub Style Designator: 1 STEP FIRST END; Attachment Method: STAKED. 4 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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