The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-497-0324, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-497-0324 |
| Primary Part Number | 505-6405257-AY245A |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Measuring Method and Length | 37.820 INCHES MINIMUM WORKING AND 38.960 INCHES MAXIMUM WORKING IN |
| Temp Rating | -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 30.000 INCHES IN |
| Supplementary Features | THIS ASSEMBLY USES 1 PIECE OF HOSE 37.830 INCHES LONG AND 1 PIECE OF HOSE 38.960 INCHES LONG. TOTAL LENGTH MEASUREMENTS ARE MINIMAL FROM 1ST END STRAIGHT FLANGE TO DOGLEG ELBOW, AND MAXIMUM FROM DOGLEG ELBOW TO 2ND END ELBOW FLANGE IN |
| Layer Composition and Location | OUTER LAYER MOLDED RUBBER, SYNTHETIC |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 4.925 INCHES NOMINAL IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS |
| Specification/standard Data | MIL-H-24136/4A-64 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION A |
| Inside Diameter | 4.000 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | WATER SINGLE RESPONSE |
| Outer Covering Environmental Protection | ABRASION RESISTANT AND WEATHERPROOF AND OXIDATION RESISTANT AND LIGHT RESISTANT |
| 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 |
|---|---|
| 14893753 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 505-6405257-AY245A PRIMARY | Naval Sea Systems Command (USA) |
| 14893753 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6405267 | D/9 Drawing number reference only Naval Sea Systems Command |
| DF331095-ASSY-245A | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 505-6405267-AY2 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 4720-01-497-0324 is a Hose Assembly,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-497-0324 has 3 manufacturer part numbers on file: 14893753 (Huntington Ingalls Inc Div Newport News Shipbuilding), 505-6405257-AY245A (Naval Sea Systems Command), 14893753 (Naval Sea Systems Command).
Key specifications for 505-6405257-AY245A: Measuring Method and Length: 37.820 INCHES MINIMUM WORKING AND 38.960 INCHES MAXIMUM WORKING IN; Temp Rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 30.000 INCHES IN; Supplementary Features: THIS ASSEMBLY USES 1 PIECE OF HOSE 37.830 INCHES LONG AND 1 PIECE OF HOSE 38.960 INCHES LONG. TOTAL LENGTH MEASUREMENTS ARE MINIMAL FROM 1ST END STRAIGHT FLANGE TO DOGLEG ELBOW, AND MAXIMUM FROM DOGLEG ELBOW TO 2ND END ELBOW FLANGE IN. 13 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.