NSN 4720-01-666-7631 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-666-7631. Manufacturer of record part number: 18-51203.
Also searched as4720-01-666-7631 ·
4720016667631 ·
NIIN 016667631 ·
01-666-7631 ·
FSC 4720 Hose and Flexible Tubing · CAGE 8L945 · 18-51203
Measuring Method and Length: 25.500 INCHES NOMINAL OVERALL IN
Connection Type: UNTHREADED EXTERNAL TUBE ALL ENDS
Cross-Sectional Shape Style: ROUND
Inside Diameter: 0.250 INCHES NOMINAL IN
Media for Which Designed: FUEL SINGLE RESPONSE
1 manufacturer part number on file
Manufacturer of record: Northern Lights Inc
Identification
NSN: 4720-01-666-7631
NIIN: 016667631
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 18-51203
Manufacturer: Northern Lights Inc
General Description
The Hose Assembly,metallic, cataloged under National Stock Number 4720-01-666-7631, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Northern Lights Inc. Government technical data includes 5 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.
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 4720-01-666-7631?
NSN 4720-01-666-7631 is a Hose Assembly,metallic, manufactured by Northern Lights Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
What part numbers are listed for NSN 4720-01-666-7631?
NSN 4720-01-666-7631 has 1 manufacturer part number on file: 18-51203 (Northern Lights Inc).
What are the specifications of 18-51203?
Key specifications for 18-51203: Measuring Method and Length: 25.500 INCHES NOMINAL OVERALL IN; Connection Type: UNTHREADED EXTERNAL TUBE ALL ENDS; Cross-Sectional Shape Style: ROUND; Inside Diameter: 0.250 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4720-01-666-7631 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.