The Tubing,nonmetallic, cataloged under National Stock Number 4720-01-003-5124, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Welch Vacuum Technology Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-003-5124 |
| Primary Part Number | 331040-10 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Welch Vacuum Technology Inc |
| Status | ACTIVE |
| Flexibility | FLEXIBLE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.062 INCHES NOMINAL IN |
| Exterior Color | RED |
| Inside Diameter | 0.438 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Material | RUBBER TUBE |
| 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 |
|---|---|
| 331040-10 PRIMARY | Welch Vacuum Technology Inc (USA) |
| Reference | Meaning |
|---|---|
| 331040-10 | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
| S73590S1ZEG | 5/9 Secondary reference Sargent-Welch Scientific Co |
| 331040-10 | 3/9 Design control — primary reference Sargent-Welch Scientific Co |
| 573590G | 5/9 Secondary reference Sargent-Welch Scientific Co |
| WLS-73590-G | 5/9 Secondary reference Sargent-Welch Scientific Co |
| S-73590-G | 5/9 Secondary reference Sargent-Welch Scientific Co |
NSN 4720-01-003-5124 is a Tubing,nonmetallic, manufactured by Welch Vacuum Technology Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-003-5124 has 1 manufacturer part number on file: 331040-10 (Welch Vacuum Technology Inc).
Key specifications for 331040-10: Flexibility: FLEXIBLE; Cross-Sectional Shape Style: ROUND; Outside Diameter: 1.062 INCHES NOMINAL IN; Exterior Color: RED. 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.