The Tubing,nonmetallic, cataloged under National Stock Number 4720-01-678-8038, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Flexfab Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-678-8038 |
| Primary Part Number | FLX200204002104 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexfab Llc |
| Status | ACTIVE |
| Measuring Method and Length | 5.25 INCHES NOMINAL OVERALL IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.90 INCHES MAXIMUM IN |
| Inside Diameter | 0.50 INCHES NOMINAL IN |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Inner Conveying Tube Style | HELICAL OPEN-PITCH CORRUGATED |
| 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 |
|---|---|
| FLX200204002104 PRIMARY | Flexfab Llc (USA) |
| Reference | Meaning |
|---|---|
| C20996-04-0021S | 7/2 Vendor item drawing reference U.S. Government activity |
| C20996 | D/9 Drawing number reference only U.S. Government activity |
NSN 4720-01-678-8038 is a Tubing,nonmetallic, manufactured by Flexfab Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-678-8038 has 1 manufacturer part number on file: FLX200204002104 (Flexfab Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-678-8040, 4720-01-678-8045. Verify interchangeability with system specifications before substitution.
Key specifications for FLX200204002104: Measuring Method and Length: 5.25 INCHES NOMINAL OVERALL IN; Cross-Sectional Shape Style: ROUND; Outside Diameter: 0.90 INCHES MAXIMUM IN; Inside Diameter: 0.50 INCHES NOMINAL IN. 6 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.