The Tubing,nonmetallic, cataloged under National Stock Number 4720-01-317-0653, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Teledyne Mecca a Teledyne Inc Co. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-317-0653 |
| Primary Part Number | A1668-1 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Teledyne Mecca a Teledyne Inc Co |
| Status | ACTIVE |
| Measuring Method and Length | 2.000 INCHES NOMINAL OVERALL IN |
| Flexibility | FLEXIBLE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.188 INCHES NOMINAL IN |
| Inside Diameter | 0.022 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Material | RUBBER CHLOROPRENE CLASS CR TUBE |
| Nonmetallic Hardness Rating | 40.0 MINIMUM SHORE DUROMETER A AND 50.0 MAXIMUM SHORE DUROMETER A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| G612649-1 | Teledyne Mecca a Teledyne Inc Co (USA) |
| A1668-1 PRIMARY | Teledyne Mecca a Teledyne Inc Co (USA) |
| Reference | Meaning |
|---|---|
| G612649-1 | 5/9 Secondary reference Lucent Technologies Inc Advanced Technology Systems |
| G612649 | D/9 Drawing number reference only Lucent Technologies Inc Advanced Technology Systems |
| G612649-1 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 4720-01-317-0653 is a Tubing,nonmetallic, manufactured by Teledyne Mecca a Teledyne Inc Co, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-317-0653 has 2 manufacturer part numbers on file: G612649-1 (Teledyne Mecca a Teledyne Inc Co), A1668-1 (Teledyne Mecca a Teledyne Inc Co).
Key specifications for A1668-1: Measuring Method and Length: 2.000 INCHES NOMINAL OVERALL IN; Flexibility: FLEXIBLE; Cross-Sectional Shape Style: ROUND; Outside Diameter: 0.188 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.