PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21666Gearshaft,spur

Parker Hannifin Corp Dba Pneutronics · NSN 3040-01-304-5587 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-304-5587 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-304-5587. Primary manufacturer part number: 21666.
Features
  • Gearshaft,spur — FSC 3040
  • Shaft Material: STEEL
  • Shaft End Type: SPLINED INVOLUTE
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corp Dba Pneutronics
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gearshaft,spur, cataloged under National Stock Number 3040-01-304-5587, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Parker Hannifin Corp Dba Pneutronics. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-304-5587
Primary Part Number21666
Item NameGearshaft,spur
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerParker Hannifin Corp Dba Pneutronics
StatusACTIVE
Shaft MaterialSTEEL
Shaft End TypeSPLINED INVOLUTE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4710-00-010-959521666 INTERCHANGEABLE
Tube Assembly,metal
Triumph Controls, Llc Dba Triumph Controls, Llc
4320-00-071-198224217 INTERCHANGEABLE
Impeller,pump,centrifugal
Industrial Technologies and Services Llc
3805-00-447-358221666 INTERCHANGEABLE
Line Assembly
Komatsu America Corporation
6620-00-792-0794058605 INTERCHANGEABLE
Transmitter,pressure
Allianz Sweeper Company
5360-01-171-60781622 INTERCHANGEABLE
Spring
Forenta Lp
4810-01-185-440421116 INTERCHANGEABLE
Head,port
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
21666 PRIMARY Parker Hannifin Corp Dba Pneutronics (USA)
Related Parts
4710-00-010-9595INTERCHANGEABLE
TUBE ASSEMBLY,METAL
21666
4320-00-071-1982INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
24217
3805-00-447-3582INTERCHANGEABLE
LINE ASSEMBLY
21666
6620-00-792-0794INTERCHANGEABLE
TRANSMITTER,PRESSURE
058605
5360-01-171-6078INTERCHANGEABLE
SPRING
1622
4810-01-185-4404INTERCHANGEABLE
HEAD,PORT
21116

Frequently Asked Questions

What is NSN 3040-01-304-5587?

NSN 3040-01-304-5587 is a Gearshaft,spur, manufactured by Parker Hannifin Corp Dba Pneutronics, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-304-5587?

NSN 3040-01-304-5587 has 1 cross-referenced part number: 21666 (Parker Hannifin Corp Dba Pneutronics).

What NSN replaces 3040-01-304-5587?

There are 6 known substitutes for 3040-01-304-5587: 4710-00-010-9595, 4320-00-071-1982, 3805-00-447-3582 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21666?

Key specifications for 21666: Shaft Material: STEEL; Shaft End Type: SPLINED INVOLUTE. 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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