The Hose Assembly,metallic, cataloged under National Stock Number 4720-01-056-9241, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Provision, Inc. Dba Provision Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-056-9241 |
| Primary Part Number | 253571 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Provision, Inc. Dba Provision Inc |
| Status | ACTIVE |
| Measuring Method and Length | 18.000 INCHES NOMINAL OVERALL IN |
| Cross-Sectional Shape Style | ROUND |
| Media for Which Designed | OXYGEN, LIQUID SINGLE RESPONSE |
| Inner Conveying Tube Style | ANNULAR OPEN-PITCH CORRUGATED |
| 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 |
|---|---|
| 253571FRU | Milspec Services Pty Limited (AUS) |
| 253571 PRIMARY | Provision, Inc. Dba Provision Inc (USA) |
| 253571FRU | Aero Defence Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 600NN18IN | 5/9 Secondary reference U.S. Government activity |
| 601-18X5-8 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-01-056-9241 is a Hose Assembly,metallic, manufactured by Provision, Inc. Dba Provision Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-056-9241 has 3 manufacturer part numbers on file: 253571FRU (Milspec Services Pty Limited), 253571 (Provision, Inc. Dba Provision Inc), 253571FRU (Aero Defence Pty Ltd).
Key specifications for 253571: Measuring Method and Length: 18.000 INCHES NOMINAL OVERALL IN; Cross-Sectional Shape Style: ROUND; Special Features: CLEAN FOR OXYGEN SERICE; Media for Which Designed: OXYGEN, LIQUID SINGLE RESPONSE. 4 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.