PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21666Line Assembly

Komatsu America Corporation · NSN 3805-00-447-3582 · FSC 3805 · No Item Name Available
Verified by PartsTable
NSN 3805-00-447-3582 — this item is cataloged by the U.S. Government under National Stock Number 3805-00-447-3582. Primary manufacturer part number: 21666.
Features
  • Line Assembly — FSC 3805
  • 2 verified cross-references
  • Primary manufacturer: Komatsu America Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Line Assembly, cataloged under National Stock Number 3805-00-447-3582, is classified within Federal Supply Class 3805 (No Item Name Available) of the Construction, Mining, Excavating Equipment group. The primary manufacturer of record is Komatsu America Corporation. This item has 2 commercial cross-references 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.

Catalog Facts
Item NameLine Assembly
FSC / FSG3805 — No Item Name Available (FSG 38)
ManufacturersKomatsu America Corporation (CAGE 23926)
Technical Specifications
ParameterValue
NSN3805-00-447-3582
Primary Part Number21666
Item NameLine Assembly
FSC / FSG3805 / 38 — No Item Name Available
ManufacturerKomatsu America Corporation
StatusACTIVE
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
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
3040-01-304-558721666 INTERCHANGEABLE
Gearshaft,spur
Parker Hannifin Corp Dba Pneutronics
Cross-Reference Index
Part NumberManufacturer
SA21666 Komatsu America Corporation (USA)
21666 PRIMARY Komatsu America Corporation (USA)
Related Parts
4710-00-010-9595INTERCHANGEABLE
TUBE ASSEMBLY,METAL
21666
4320-00-071-1982INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
24217
6620-00-792-0794INTERCHANGEABLE
TRANSMITTER,PRESSURE
058605
5360-01-171-6078INTERCHANGEABLE
SPRING
1622
4810-01-185-4404INTERCHANGEABLE
HEAD,PORT
21116
3040-01-304-5587INTERCHANGEABLE
GEARSHAFT,SPUR
21666

Frequently Asked Questions

What is NSN 3805-00-447-3582?

NSN 3805-00-447-3582 is a Line Assembly, manufactured by Komatsu America Corporation, classified under FSC 3805 (No Item Name Available). Status: active.

What are the part numbers for NSN 3805-00-447-3582?

NSN 3805-00-447-3582 has 2 cross-referenced part numbers: SA21666 (Komatsu America Corporation), 21666 (Komatsu America Corporation).

What NSN replaces 3805-00-447-3582?

There are 6 known substitutes for 3805-00-447-3582: 4710-00-010-9595, 4320-00-071-1982, 6620-00-792-0794 and 3 more. Verify interchangeability with system specifications before substitution.

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