The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-135-0171, 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 23 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-135-0171 |
| Primary Part Number | 89302-21 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| Measuring Method and Length | 25.000 INCHES NOMINAL WORKING IN |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Fitting Component and Surface Treatment | COMPLETE FITTING PASSIVATE FIRST END |
| Minimum Inside Bending Radius | 4.000 INCHES IN |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED COTTON CORD OR 1ST LAYER BRAIDED RAYON CORD AND OUTER LAYER RUBBER, GRADE 149FS75, B F GOODRICH |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.750 INCHES NOMINAL IN |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Features Provided | REUSABLE END FITTINGS |
| End Fitting Component and Material | COMPLETE FITTING STEEL CORROSION RESISTING ALL ENDS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Exterior Color | GREEN |
| Inside Diameter | 0.380 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Hydrostatic Test Pressure | 400.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3B FIRST END |
| Burst Test Pressure | 800.0 POUNDS PER SQUARE INCH LBS |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| 89302-21 PRIMARY | Hydraflow (USA) |
| 2904943-21 10001 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| T153-97672-6-0250 | 5/9 Secondary reference Hope, Inc. Dba Hope Inc |
| 2904943 10001 | D/9 Drawing number reference only Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| AE1007372G0250 | 5/9 Secondary reference Danfoss Power Solutions II, Llc |
| 2904943 | 5/9 Secondary reference Naval Sea Systems Command |
| 89302-021 | 5/9 Secondary reference Hydraflow |
| 2904943-21 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| G437433-2 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Corp |
| 3141647 | D/9 Drawing number reference only Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 3141647-46 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 2904943 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4720-01-135-0171 is a Hose Assembly,nonmetallic, manufactured by Hydraflow, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-135-0171 has 2 manufacturer part numbers on file: 89302-21 (Hydraflow), 2904943-21 10001 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-390-8109. Verify interchangeability with system specifications before substitution.
Key specifications for 89302-21: Measuring Method and Length: 25.000 INCHES NOMINAL WORKING IN; Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Fitting Component and Surface Treatment: COMPLETE FITTING PASSIVATE FIRST END; Minimum Inside Bending Radius: 4.000 INCHES IN. 23 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.