The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-540-4345, 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 Naval Sea Systems Command. 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 | 4720-01-540-4345 |
| Primary Part Number | 7521417-2 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Cross-Sectional Shape Style | ROUND |
| Media for Which Designed | AIR AND HYDRAULIC FLUID AND OIL, LUBRICATING, DIESTER BASE SINGLE RESPONSE |
| Inside Surface Condition | SMOOTH |
| Thread Direction | RIGHT-HAND FIRST END |
| End Connection Design | STRAIGHT FIRST END |
| Outside Diameter | 0.530 INCHES NOMINAL IN |
| Burst Test Pressure | 11000.0 POUNDS PER SQUARE INCH LBS |
| Temp Rating | -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Style | SWIVEL NUT FLARE FIRST END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Layer Composition and Location | 1ST LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED POLYURETHANE |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Measuring Method and Length | 37.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 1.250 INCHES IN |
| Thread Class | 2B FIRST END |
| Operating Pressure | 2750.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Seat Angle | 37.0 DEGREES FIRST END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Thread Series Designator | UNF FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4720-01-540-4345 is a Hose Assembly,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-01-540-4345 has 3 cross-referenced part numbers: 7521417-2 (Naval Sea Systems Command), 7521417-2 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City), 7521417 (Naval Sea Systems Command).
There are 2 known substitutes for 4720-01-540-4345: 3110-00-112-5889, 4720-01-540-4339. Verify interchangeability with system specifications before substitution.
Key specifications for 7521417-2: Cross-Sectional Shape Style: ROUND; Media for Which Designed: AIR AND HYDRAULIC FLUID AND OIL, LUBRICATING, DIESTER BASE SINGLE RESPONSE; Inside Surface Condition: SMOOTH; Thread Direction: RIGHT-HAND FIRST END. 22 total characteristics are documented in the Federal Logistics Information System.