The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-595-4833, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4720-00-595-4833 |
| Primary Part Number | 591138-3 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Measuring Method and Length | 16.700 INCHES MINIMUM OVERALL AND 17.200 INCHES MAXIMUM OVERALL IN |
| Minimum Inside Bending Radius | 4.000 INCHES IN |
| Connection Style | SWIVEL NUT FLARE SECOND END |
| Connection Style | FLARED FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| End Connection Design | STRAIGHT SECOND END |
| Vacuum in Torr | 50.8 |
| Layer Composition and Location | 1ST LAYER BRAIDED COTTON CORD AND 2ND LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL TUBE SECOND END |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.656 INCHES MINIMUM AND 0.696 INCHES MAXIMUM IN |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Seat Angle | 37.0 DEGREES SECOND END |
| Inside Diameter | 0.305 INCHES MINIMUM AND 9.336 INCHES MAXIMUM IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Hydrostatic Test Pressure | 4500.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A FIRST END A |
| Thread Class | 3B SECOND END |
| Burst Test Pressure | 9000.0 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 18 FIRST END |
| Outer Covering Environmental Protection | FUEL RESISTANT AND HYDRAULIC SOLUTION RESISTANT AND OIL RESISTANT |
| 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 |
|---|---|
| 591138-3 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 591138PC3 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4720-00-595-4833 is a Hose Assembly,nonmetallic, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-595-4833 has 1 manufacturer part number on file: 591138-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 591138-3: Measuring Method and Length: 16.700 INCHES MINIMUM OVERALL AND 17.200 INCHES MAXIMUM OVERALL IN; Minimum Inside Bending Radius: 4.000 INCHES IN; Connection Style: SWIVEL NUT FLARE SECOND END; Connection Style: FLARED FIRST END. 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.