The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-540-4339, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is United States Department of the Navy Dba Naval Surface Warfare Center Panama City. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-540-4339 |
| Primary Part Number | 7521417-1 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | United States Department of the Navy Dba Naval Surface Warfare Center Panama City |
| Status | ACTIVE |
| Minimum Inside Bending Radius | 2.000 INCHES IN |
| Burst Test Pressure | 20000.0 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2B FIRST END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED SYNTHETIC CORD AND OUTER LAYER MOLDED POLYURETHANE |
| Temp Rating | -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Outside Diameter | 0.510 INCHES NOMINAL IN |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| Thread Direction | RIGHT-HAND FIRST END |
| Inside Surface Condition | SMOOTH |
| End Connection Design | STRAIGHT FIRST END |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Measuring Method and Length | 145.750 INCHES NOMINAL EXCLUDING END FITTINGS IN |
| Cross-Sectional Shape Style | ROUND |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Thread Series Designator | UNF FIRST END |
| Media for Which Designed | AIR AND HYDRAULIC FLUID AND OIL, LUBRICATING, DIESTER BASE SINGLE RESPONSE |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Seat Angle | 37.0 DEGREES FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4720-01-540-4339 is a Hose Assembly,nonmetallic, manufactured by United States Department of the Navy Dba Naval Surface Warfare Center Panama City, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-01-540-4339 has 3 cross-referenced part numbers: 7521417 (Naval Sea Systems Command), 7521417-1 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City), 7521417-1 (Naval Sea Systems Command).
There are 2 known substitutes for 4720-01-540-4339: 3110-00-112-5889, 4720-01-540-4345. Verify interchangeability with system specifications before substitution.
Key specifications for 7521417-1: Minimum Inside Bending Radius: 2.000 INCHES IN; End Item Identification: MK74 VEMS AEL; Burst Test Pressure: 20000.0 POUNDS PER SQUARE INCH LBS; Thread Class: 2B FIRST END. 22 total characteristics are documented in the Federal Logistics Information System.