NSN 4210-01-646-1613 · NIIN 016461613 · Part number K1668-2
The Lincoln Electric Company · FSC 4210 — Firefighting Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 33CZ2
Government record, cited
NSN 4210-01-646-1613 — this item is cataloged by the U.S. Government under National Stock Number 4210-01-646-1613. Manufacturer of record part number: K1668-2.
Also searched as4210-01-646-1613 ·
4210016461613 ·
NIIN 016461613 ·
01-646-1613 ·
FSC 4210 Firefighting Equipment · CAGE 33CZ2 · K1668-2
Nearby stock numbers← 4210-01-645-9578 Head, Sprinkler, Fire Protection
·
4210-01-646-2971 Putty, Fire Barrier →
Features
Hose Assembly,nonmetallic — FSC 4210
Cross-Sectional Shape Style: ROUND
1 manufacturer part number on file
Manufacturer of record: The Lincoln Electric Company
Identification
NSN: 4210-01-646-1613
NIIN: 016461613
FSC: 4210 — Firefighting Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: K1668-2
Manufacturer: The Lincoln Electric Company
General Description
The Hose Assembly,nonmetallic, cataloged under National Stock Number 4210-01-646-1613, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is The Lincoln Electric Company. Government technical data includes 1 specification, 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
4210-01-646-1613
Primary Part Number
K1668-2
Item Name
Hose Assembly,nonmetallic
FSC / FSG
4210 / 42 — Firefighting Equipment
Manufacturer
The Lincoln Electric Company
Status
ACTIVE
Cross-Sectional Shape Style
ROUND
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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4210-00-005-7684 · Item name not on file
4210-00-006-6244
4210-00-006-6244 · Item name not on file
Frequently Asked Questions
What is NSN 4210-01-646-1613?
NSN 4210-01-646-1613 is a Hose Assembly,nonmetallic, manufactured by The Lincoln Electric Company, classified under FSC 4210, Firefighting Equipment. Status: active.
What part numbers are listed for NSN 4210-01-646-1613?
NSN 4210-01-646-1613 has 1 manufacturer part number on file: K1668-2 (The Lincoln Electric Company).
What are the specifications of K1668-2?
Key specifications for K1668-2: Cross-Sectional Shape Style: ROUND; Special Features: 5.75 DIAMETER; 16 FEET LONG FT; Part Name Assigned by Controlling Agency: EXGAUST OR EXTENSION HOSE; End Item Identification: MOBIFLEX 100-NF. 1 specification is documented in the U.S. Government catalog.
Is NSN 4210-01-646-1613 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.