PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4L219BGear,spur

Dynalec Corporation · NSN 3020-01-311-4871 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-311-4871 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-311-4871. Primary manufacturer part number: 4L219B.
Features
  • Gear,spur — FSC 3020
  • 3 verified cross-references
  • Primary manufacturer: Dynalec Corporation
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-311-4871, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dynalec Corporation. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear,spur
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersDynalec Corporation (CAGE 12763); The Electric Tachometer Corp. (CAGE 20049)
Technical Specifications
ParameterValue
NSN3020-01-311-4871
Primary Part Number4L219B
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDynalec Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5945-00-249-6468A1952 INTERCHANGEABLE
Relay Assembly
Cornell-Dubilier Electronics, Inc.
8455-01-562-9236MIL-DTL-14652 INTERCHANGEABLE
Insignia,shoulder Sleeve
United States Coast Guard Dba U.s.c.g. Sflc Div Surface Forces Logistics Center (sflc)
8455-01-562-9249 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-661-5451 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
4L219B PRIMARY Dynalec Corporation (USA)
4L219B The Electric Tachometer Corp. (USA)
A1952 The Electric Tachometer Corp. (USA)
Related Parts
5945-00-249-6468INTERCHANGEABLE
RELAY ASSEMBLY
A1952
8455-01-562-9236INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
MIL-DTL-14652
8455-01-562-9249INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-661-5451INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 3020-01-311-4871?

NSN 3020-01-311-4871 is a Gear,spur, manufactured by Dynalec Corporation, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-311-4871?

NSN 3020-01-311-4871 has 3 cross-referenced part numbers: 4L219B (Dynalec Corporation), 4L219B (The Electric Tachometer Corp.), A1952 (The Electric Tachometer Corp.).

What NSN replaces 3020-01-311-4871?

There are 4 known substitutes for 3020-01-311-4871: 5945-00-249-6468, 8455-01-562-9236, 8455-01-562-9249 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com