PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GP21-80Gear,spur

Secs Inc · NSN 3020-00-418-4835 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-418-4835 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-418-4835. Primary manufacturer part number: GP21-80.
Features
  • Gear,spur — FSC 3020
  • 13 verified cross-references
  • Primary manufacturer: Secs Inc
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-418-4835, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Secs Inc. This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameGear,spur
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersDesignatronics Incorporated Div Sterling Instruments Div (CAGE 00328); W. M. Berg, Inc. (CAGE 29440); General Dynamics Mission Systems, Inc. Dba Gdms (CAGE 1VPW8); Secs Inc (CAGE 23266); Motorola Inc. Dba Integrated Information Systems Group (CAGE 94990)
Technical Specifications
ParameterValue
NSN3020-00-418-4835
Primary Part NumberGP21-80
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSecs Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5340-00-737-2351021749 INTERCHANGEABLE
Boot,dust and Moisture Seal
Caterpillar Inc Div Caterpillar Defense
6515-01-206-6028G-280 INTERCHANGEABLE
Cutter,orthopedic Cast
Defense Medical Standardization Board
5220-01-705-6757G280 INTERCHANGEABLE
Gage,profile
Daniels Manufacturing Corporation
4140-01-732-4848G280 INTERCHANGEABLE
Guard,fan Impeller
Knight Electronics, Inc Div Orion Fans
Cross-Reference Index
Part NumberManufacturer
E21A80-2STSC Designatronics Incorporated Div Sterling Instruments Div (USA)
P48A19-80 W. M. Berg, Inc. (USA)
47-31292C01 General Dynamics Mission Systems, Inc. Dba Gdms (USA)
GP21-80 PRIMARY Secs Inc (USA)
47-31292C01 Motorola Inc. Dba Integrated Information Systems Group (USA)
G2-80-2STSC Roller Bearing Co of America, Inc Div Pic Design (USA)
PG4426-80 Atlas Chain Co
GE81410-10 Lct Electronics (USA)
E21A80 Designatronics Incorporated Div Sterling Instruments Div (USA)
450SK2110295 Naval Sea Combat Systems Engineering Station (USA)
G2-80 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
526028-80 Instruments and Flight Research, Inc. (USA)
GP21-80-2STSC PRIMARY Secs Inc (USA)
Related Parts
5340-00-737-2351INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
021749
6515-01-206-6028INTERCHANGEABLE
CUTTER,ORTHOPEDIC CAST
G-280
5220-01-705-6757INTERCHANGEABLE
GAGE,PROFILE
G280
4140-01-732-4848INTERCHANGEABLE
GUARD,FAN IMPELLER
G280

Frequently Asked Questions

What is NSN 3020-00-418-4835?

NSN 3020-00-418-4835 is a Gear,spur, manufactured by Secs Inc, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-418-4835?

NSN 3020-00-418-4835 has 13 cross-referenced part numbers: E21A80-2STSC (Designatronics Incorporated Div Sterling Instruments Div), P48A19-80 (W. M. Berg, Inc.), 47-31292C01 (General Dynamics Mission Systems, Inc. Dba Gdms), GP21-80 (Secs Inc), 47-31292C01 (Motorola Inc. Dba Integrated Information Systems Group) and 8 more.

What NSN replaces 3020-00-418-4835?

There are 4 known substitutes for 3020-00-418-4835: 5340-00-737-2351, 6515-01-206-6028, 5220-01-705-6757 and 1 more. Verify interchangeability with system specifications before substitution.

Is NSN 3020-00-418-4835 still in active supply?

NSN 3020-00-418-4835 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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