PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21660Line Assembly

Komatsu America Corporation · NSN 3805-00-447-3579 · FSC 3805 · No Item Name Available
Verified by PartsTable
NSN 3805-00-447-3579 — this item is cataloged by the U.S. Government under National Stock Number 3805-00-447-3579. Primary manufacturer part number: 21660.
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 3805-00-447-3579, 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. 10 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
NSN3805-00-447-3579
Primary Part Number21660
Item NameLine Assembly
FSC / FSG3805 / 38 — No Item Name Available
ManufacturerKomatsu America Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4320-00-163-107099121660 INTERCHANGEABLE
Pump,rotary
Alfa Laval Inc
6680-00-217-8673 INTERCHANGEABLE
Gage Rod,liquid Level
8145-00-300-426521160 INTERCHANGEABLE
Shipping and Storag
L3harris Technologies, Inc. Div Space and Airborne Systems
5915-00-501-4554 INTERCHANGEABLE
Filter,radio Frequency Interfere
5360-01-171-607721660 INTERCHANGEABLE
Spring
Forenta Lp
5305-01-188-04895740572 INTERCHANGEABLE
Screw Assy.,vent
United States Energy Corporation Dba United States Energy Corp
6680-01-267-0590NW21660 INTERCHANGEABLE
Indicator,liquid Quantity
Tld Wollard Llc
5945-01-349-039321-660 INTERCHANGEABLE
Relay,solid State
Te Connectivity Corporation
4720-01-434-7946 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-579-291821660 INTERCHANGEABLE
Hose Assembly,nonmetallic
Ritchie Engineering Co Inc
Cross-Reference Index
Part NumberManufacturer
21660 PRIMARY Komatsu America Corporation (USA)
SA21660 Komatsu America Corporation (USA)
Related Parts
4320-00-163-1070INTERCHANGEABLE
PUMP,ROTARY
99121660
6680-00-217-8673INTERCHANGEABLE
GAGE ROD,LIQUID LEVEL
8145-00-300-4265INTERCHANGEABLE
SHIPPING AND STORAG
21160
5915-00-501-4554INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5360-01-171-6077INTERCHANGEABLE
SPRING
21660
5305-01-188-0489INTERCHANGEABLE
SCREW ASSY.,VENT
5740572
6680-01-267-0590INTERCHANGEABLE
INDICATOR,LIQUID QUANTITY
NW21660
5945-01-349-0393INTERCHANGEABLE
RELAY,SOLID STATE
21-660
4720-01-434-7946INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-579-2918INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
21660

Frequently Asked Questions

What is NSN 3805-00-447-3579?

NSN 3805-00-447-3579 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 3805-00-447-3579?

NSN 3805-00-447-3579 has 2 cross-referenced part numbers: 21660 (Komatsu America Corporation), SA21660 (Komatsu America Corporation).

What NSN replaces 3805-00-447-3579?

There are 10 known substitutes for 3805-00-447-3579: 4320-00-163-1070, 6680-00-217-8673, 8145-00-300-4265 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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