The Tubing,nonmetallic, cataloged under National Stock Number 4720-00-435-2691, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-435-2691 |
| Primary Part Number | 3012406 |
| Item Name | Tubing,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| Measuring Method and Length | 23.750 INCHES MINIMUM OVERALL AND 24.250 INCHES MAXIMUM OVERALL IN |
| Temp Rating | -40.0 CELSIUS AND 100.0 CELSIUS SINGLE RESPONSE DEGC |
| Flexibility | FLEXIBLE |
| Material Document and Classification | AMS 3205 ASSN STD SINGLE MATERIAL RESPONSE TUBE |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Inside Diameter | 0.126 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Minimum Tensile Strength | 1200 POUNDS PER SQUARE INCH LBS |
| Outer Covering Environmental Protection | COLD RESISTANT |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR TUBE |
| Nonmetallic Hardness Rating | 45.0 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 |
NSN 4720-00-435-2691 is a Tubing,nonmetallic, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-435-2691 has 2 manufacturer part numbers on file: 3012406 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 3012406 (Leonardo Spa Helicopters Division - Production Site).
Key specifications for 3012406: Measuring Method and Length: 23.750 INCHES MINIMUM OVERALL AND 24.250 INCHES MAXIMUM OVERALL IN; Temp Rating: -40.0 CELSIUS AND 100.0 CELSIUS SINGLE RESPONSE DEGC; Flexibility: FLEXIBLE; Material Document and Classification: AMS 3205 ASSN STD SINGLE MATERIAL RESPONSE TUBE. 12 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.