The Hose,nonmetallic, cataloged under National Stock Number 4720-01-475-1644, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-475-1644 |
| Primary Part Number | HAM203112001200 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexfab Llc |
| Status | ACTIVE |
| Measuring Method and Length | 2.940 INCHES MINIMUM OVERALL AND 3.060 INCHES MAXIMUM OVERALL IN |
| Temp Rating | 290.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.620 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN |
| Operating Pressure | 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Inside Diameter | 1.470 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN |
| Inside Surface Condition | SMOOTH |
| Burst Test Pressure | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS |
| Material | RUBBER SILICONE CLASS Q 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 |
|---|---|
| 821525-1 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| HAM203112001200 PRIMARY | Flexfab Llc (USA) |
| Reference | Meaning |
|---|---|
| 821525 | 5/9 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 4720-01-475-1644 is a Hose,nonmetallic, manufactured by Flexfab Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-475-1644 has 2 manufacturer part numbers on file: 821525-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace), HAM203112001200 (Flexfab Llc).
Key specifications for HAM203112001200: Measuring Method and Length: 2.940 INCHES MINIMUM OVERALL AND 3.060 INCHES MAXIMUM OVERALL IN; Temp Rating: 290.0 FAHRENHEIT SINGLE RESPONSE DEGF; Cross-Sectional Shape Style: ROUND; Outside Diameter: 1.620 INCHES MINIMUM AND 1.740 INCHES MAXIMUM IN. 9 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.