The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-274-0407, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hydraflow. Government technical data includes 28 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-274-0407 |
| Primary Part Number | 89304-1 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| Measuring Method and Length | 73.500 INCHES MINIMUM OVERALL AND 75.500 INCHES MAXIMUM OVERALL IN |
| Temp Rating | 35.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flange Thickness | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM FIRST END IN |
| Flange Thickness | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM SECOND END IN |
| Minimum Inside Bending Radius | 7.000 INCHES IN |
| End Connection Design | ELBOW SECOND END |
| End Connection Design | STRAIGHT FIRST END |
| Connection Type | PLAIN FACE FLANGE FIRST END |
| Connection Type | PLAIN FACE FLANGE SECOND END |
| Bolt Hole Diameter | 0.218 INCHES MINIMUM AND 0.224 INCHES MAXIMUM FIRST END IN |
| Bolt Hole Diameter | 0.218 INCHES MINIMUM AND 0.224 INCHES MAXIMUM SECOND END IN |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Flange Length | 1.900 INCHES NOMINAL SECOND END IN |
| Flange Length | 1.900 INCHES NOMINAL FIRST END IN |
| Exterior Color | GREEN |
| Bolt Hole Quantity | 4 FIRST END |
| Center to Center Distance Between Bolt Holes Along Length | 1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM FIRST END IN |
| Center to Center Distance Between Bolt Holes Along Length | 1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM SECOND END IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM FIRST END IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.485 INCHES MINIMUM AND 1.515 INCHES MAXIMUM SECOND END IN |
| Flange Width | 1.900 INCHES NOMINAL SECOND END IN |
| Flange Width | 1.900 INCHES NOMINAL FIRST END IN |
| Hydrostatic Test Pressure | 400.0 POUNDS PER SQUARE INCH LBS |
| Burst Test Pressure | 800.0 POUNDS PER SQUARE INCH LBS |
| Flange Style | RECTANGULAR (INCLUDES SQUARE) FIRST END |
| Flange Style | RECTANGULAR (INCLUDES SQUARE) SECOND END |
| End Flange Construction | SOLID SECOND END |
| End Flange Construction | SOLID FIRST END |
| 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 |
|---|---|
| 89304-1 PRIMARY | Hydraflow (USA) |
| 5204778-1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5204778-1 | 5/9 Secondary reference Hope, Inc. Dba Hope Inc |
| 5204778 | D/9 Drawing number reference only Naval Sea Systems Command |
| 89304-001 | 5/9 Secondary reference Hydraflow |
| AH5190600-16-0740 | 5/9 Secondary reference All Hose and Supply Co Inc |
| T153-16F097-16-0740 | 5/9 Secondary reference Hope, Inc. Dba Hope Inc |
NSN 4720-01-274-0407 is a Hose Assembly,nonmetallic, manufactured by Hydraflow, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-274-0407 has 2 manufacturer part numbers on file: 89304-1 (Hydraflow), 5204778-1 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 7010-01-720-0566. Verify interchangeability with system specifications before substitution.
Key specifications for 89304-1: Measuring Method and Length: 73.500 INCHES MINIMUM OVERALL AND 75.500 INCHES MAXIMUM OVERALL IN; Temp Rating: 35.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Flange Thickness: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM FIRST END IN; Flange Thickness: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM SECOND END IN. 28 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.