The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-411-8418, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Transdigm Inc Div Adelwiggins Group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-411-8418 |
| Primary Part Number | 6373-21 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES SECOND END |
| Measuring Method and Length | 81.810 INCHES NOMINAL OVERALL IN |
| Temp Rating | 410.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Thickness | 0.500 INCHES NOMINAL SECOND END IN |
| Flange Thickness | 0.500 INCHES NOMINAL FIRST END IN |
| Minimum Inside Bending Radius | 24.000 INCHES IN |
| Connection Style | RAISED SWIVEL FIRST END |
| Connection Style | RAISED SWIVEL SECOND END |
| Flange Outside Diameter | 7.688 INCHES NOMINAL FIRST END IN |
| Flange Outside Diameter | 7.688 INCHES NOMINAL SECOND END IN |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | STRAIGHT FIRST END |
| Vacuum in Torr | 50.8 |
| Layer Composition and Location | OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE |
| Connection Type | RAISED FACE FLANGE FIRST END |
| Connection Type | RAISED FACE FLANGE SECOND END |
| Bolt Hole Diameter | 0.562 INCHES NOMINAL FIRST END IN |
| Bolt Hole Diameter | 0.562 INCHES NOMINAL SECOND END IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 4.500 INCHES NOMINAL IN |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | INTERNAL SUPPORT |
| Inside Diameter | 4.050 INCHES NOMINAL IN |
| Inside Surface Condition | CONVOLUTED |
| Bolt Hole Quantity | 8 SECOND END |
| Bolt Hole Quantity | 8 FIRST END |
| Bolt Circle Diameter | 6.562 INCHES NOMINAL FIRST END IN |
| Bolt Circle Diameter | 6.562 INCHES NOMINAL SECOND END IN |
| Raised Face Diameter | 4.281 INCHES NOMINAL FIRST END IN |
| Raised Face Diameter | 4.281 INCHES NOMINAL SECOND END IN |
| 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 |
|---|---|
| WHGP-U64J-21 | Westflex, Inc. Dba Western Hose & Gasket (USA) |
| 6373-21 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
| HR90-21 | Hampton Rubber Company Dba Hampton Rubber Co Div Hampton Rubber Company(norfolk) (USA) |
NSN 4720-01-411-8418 is a Hose Assembly,nonmetallic, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-411-8418 has 3 manufacturer part numbers on file: WHGP-U64J-21 (Westflex, Inc. Dba Western Hose & Gasket), 6373-21 (Transdigm Inc Div Adelwiggins Group), HR90-21 (Hampton Rubber Company Dba Hampton Rubber Co Div Hampton Rubber Company(norfolk)).
Key specifications for 6373-21: Flow Angle: 90.0 DEGREES SECOND END; Measuring Method and Length: 81.810 INCHES NOMINAL OVERALL IN; Temp Rating: 410.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flange Thickness: 0.500 INCHES NOMINAL SECOND END IN. 30 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.