NSN 4720-01-646-8166 · NIIN 016468166 · Part number K1668-1
Lincoln Electric Holdings Inc · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 36232
Government record, cited
NSN 4720-01-646-8166 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-646-8166. Manufacturer of record part number: K1668-1.
Also searched as4720-01-646-8166 ·
4720016468166 ·
NIIN 016468166 ·
01-646-8166 ·
FSC 4720 Hose and Flexible Tubing · CAGE 36232 · K1668-1
Unpackaged Unit Length: 5000.0 MILLIMETERS NOMINAL MM
Furnished Items: COMPLETELY FLEXIBLE EXTRACTION HOSE WITH MAGNETIC HOOD
Usage Design: FOR THOSE HARD TO ACCESS FUME EXTRACTION APPLICATIONS
1 manufacturer part number on file
Manufacturer of record: Lincoln Electric Holdings Inc
Identification
NSN: 4720-01-646-8166
NIIN: 016468166
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: K1668-1
Manufacturer: Lincoln Electric Holdings Inc
General Description
The Hose Assembly Set,metallic and N, cataloged under National Stock Number 4720-01-646-8166, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Lincoln Electric Holdings Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4720-01-646-8166
Primary Part Number
K1668-1
Item Name
Hose Assembly Set,metallic and N
FSC / FSG
4720 / 47 — Hose and Flexible Tubing
Manufacturer
Lincoln Electric Holdings Inc
Status
ACTIVE
Unpackaged Unit Length
5000.0 MILLIMETERS NOMINAL MM
Furnished Items
COMPLETELY FLEXIBLE EXTRACTION HOSE WITH MAGNETIC HOOD
Usage Design
FOR THOSE HARD TO ACCESS FUME EXTRACTION APPLICATIONS
Other items in FSC 4720 — Hose and Flexible Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4720-00-000-0080
HOSE ASSEMBLY,NONMETALLIC
4720-00-000-0081
4720-00-000-0081 · Item name not on file
4720-00-000-0084
HOSE,PREFORMED
4720-00-000-0724
4720-00-000-0724 · Item name not on file
4720-00-001-0014
HOSE ASSEMBLY,NONMETALLIC
4720-00-001-0015
4720-00-001-0015 · Item name not on file
4720-00-001-0023
HOSE ASSEMBLY,NONMETALLIC
4720-00-001-0025
4720-00-001-0025 · Item name not on file
Frequently Asked Questions
What is NSN 4720-01-646-8166?
NSN 4720-01-646-8166 is a Hose Assembly Set,metallic and N, manufactured by Lincoln Electric Holdings Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
What part numbers are listed for NSN 4720-01-646-8166?
NSN 4720-01-646-8166 has 1 manufacturer part number on file: K1668-1 (Lincoln Electric Holdings Inc).
What are the specifications of K1668-1?
Key specifications for K1668-1: Unpackaged Unit Length: 5000.0 MILLIMETERS NOMINAL MM; Special Features: HOSE IS REINFORCED WITH OUTSIDE STEEL RINGS TO PROTECT AGAINST WEAR AND CRUSHING, DIAMETER OF HOSE IS 146 MILLIMETERS MM; Furnished Items: COMPLETELY FLEXIBLE EXTRACTION HOSE WITH MAGNETIC HOOD; Part Name Assigned by Controlling Agency: HOSE AND HOOD SET. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4720-01-646-8166 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.