PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D2021-4Idler,shaft

Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc · NSN 3040-01-667-7802 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-667-7802 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-667-7802. Primary manufacturer part number: D2021-4.
Features
  • Idler,shaft — FSC 3040
  • 2 verified cross-references
  • Primary manufacturer: Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Idler,shaft, cataloged under National Stock Number 3040-01-667-7802, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameIdler,shaft
FSC / FSG3040 — No Item Name Available (FSG 30)
ManufacturersDynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc (CAGE 88759)
Technical Specifications
ParameterValue
NSN3040-01-667-7802
Primary Part NumberD2021-4
Item NameIdler,shaft
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerDynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4730-01-128-9216D-2021 INTERCHANGEABLE
Nozzle,spray,fluid-Emulsion
Insinger Machine Co
5985-01-166-4389 INTERCHANGEABLE
Lock Seal Assembly
2920-01-296-550510497522 INTERCHANGEABLE
Drive,engine,electrical Starter
Delco Remy America Inc
5340-01-666-4088D2021-2 INTERCHANGEABLE
Bracket,mounting
Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc
5340-01-666-4146D2021-1 INTERCHANGEABLE
Bracket,mounting
Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc
5340-01-666-5098D2021-9 INTERCHANGEABLE
Plate,mounting
Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc
5340-01-666-6380D2021-8 INTERCHANGEABLE
Plate,mounting
Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc
2590-01-668-2142GT-12805 INTERCHANGEABLE
Door,roller Curtain
Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc
2590-01-674-2141D2021-5 INTERCHANGEABLE
Door,roller Curtain
Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc
3040-01-674-5256D2021-3 INTERCHANGEABLE
Shaft,shouldered
Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
D2021-4 PRIMARY Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc (USA)
D2021 Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc (USA)
Related Parts
4730-01-128-9216INTERCHANGEABLE
NOZZLE,SPRAY,FLUID-EMULSION
D-2021
5985-01-166-4389INTERCHANGEABLE
LOCK SEAL ASSEMBLY
2920-01-296-5505INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
10497522
5340-01-666-4088INTERCHANGEABLE
BRACKET,MOUNTING
D2021-2
5340-01-666-4146INTERCHANGEABLE
BRACKET,MOUNTING
D2021-1
5340-01-666-5098INTERCHANGEABLE
PLATE,MOUNTING
D2021-9
5340-01-666-6380INTERCHANGEABLE
PLATE,MOUNTING
D2021-8
2590-01-668-2142INTERCHANGEABLE
DOOR,ROLLER CURTAIN
GT-12805
2590-01-674-2141INTERCHANGEABLE
DOOR,ROLLER CURTAIN
D2021-5
3040-01-674-5256INTERCHANGEABLE
SHAFT,SHOULDERED
D2021-3

Frequently Asked Questions

What is NSN 3040-01-667-7802?

NSN 3040-01-667-7802 is a Idler,shaft, manufactured by Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-667-7802?

NSN 3040-01-667-7802 has 2 cross-referenced part numbers: D2021-4 (Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc), D2021 (Dynatect Manufacturing, Inc. Dba Dynatect Manufacturing Inc).

What NSN replaces 3040-01-667-7802?

There are 10 known substitutes for 3040-01-667-7802: 4730-01-128-9216, 5985-01-166-4389, 2920-01-296-5505 and 7 more. Verify interchangeability with system specifications before substitution.

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