PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300930Gear,worm

Tri-Tec Manufacturing Llc · NSN 3020-01-521-6641 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-521-6641 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-521-6641. Primary manufacturer part number: 300930.
Features
  • Gear,worm — FSC 3020
  • 4 verified cross-references
  • Primary manufacturer: Tri-Tec Manufacturing Llc
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,worm, cataloged under National Stock Number 3020-01-521-6641, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Tri-Tec Manufacturing Llc. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-521-6641
Primary Part Number300930
Item NameGear,worm
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTri-Tec Manufacturing Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3020-00-231-873211069440 INTERCHANGEABLE
Link,roller Chain
Us Army Aviation and Missile Command
5996-00-503-0679300930 INTERCHANGEABLE
Amplifier,intermediate Frequency
Viking Technologies, Ltd.
5340-01-226-6774300930 INTERCHANGEABLE
Bracket,angle
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5962-01-391-7511300930 INTERCHANGEABLE
Microcircuit,memory
Northrop Grumman Systems Corporation
4820-01-433-7144300930 INTERCHANGEABLE
Disk,valve
Lake Shore Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
SE121N FN-38 SHT 3 Tri-Tec Manufacturing Llc (USA)
300930 PRIMARY Tri-Tec Manufacturing Llc (USA)
SE121N FN-38 SHT 3 Tri-Tec Manufacturing, Llc (USA)
300930 Tri-Tec Manufacturing, Llc (USA)
Related Parts
3020-00-231-8732INTERCHANGEABLE
LINK,ROLLER CHAIN
11069440
5996-00-503-0679INTERCHANGEABLE
AMPLIFIER,INTERMEDIATE FREQUENCY
300930
5340-01-226-6774INTERCHANGEABLE
BRACKET,ANGLE
300930
5962-01-391-7511INTERCHANGEABLE
MICROCIRCUIT,MEMORY
300930
4820-01-433-7144INTERCHANGEABLE
DISK,VALVE
300930

Frequently Asked Questions

What is NSN 3020-01-521-6641?

NSN 3020-01-521-6641 is a Gear,worm, manufactured by Tri-Tec Manufacturing Llc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-521-6641?

NSN 3020-01-521-6641 has 4 cross-referenced part numbers: SE121N FN-38 SHT 3 (Tri-Tec Manufacturing Llc), 300930 (Tri-Tec Manufacturing Llc), SE121N FN-38 SHT 3 (Tri-Tec Manufacturing, Llc), 300930 (Tri-Tec Manufacturing, Llc).

What NSN replaces 3020-01-521-6641?

There are 5 known substitutes for 3020-01-521-6641: 3020-00-231-8732, 5996-00-503-0679, 5340-01-226-6774 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300930?

Key specifications for 300930: Special Features: WORM DRIVE, AISI-4140 MATT. 4140 CDS; End Item Identification: ASSEMBLY, HOUSING MAIN. 2 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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