The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-641-2525, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-641-2525 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 23.0 INCHES NOMINAL WORKING IN |
| Connection Style | SWIVEL NUT FLARE ALL ENDS |
| Nominal Inside Diameter Hose Accommodated | 0.250 INCHES ALL ENDS IN |
| End Connection Design | STRAIGHT ALL ENDS |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Nominal Thread Size | 0.4375 INCHES ALL ENDS IN |
| Specification/standard Data | 81349-MIL-DTL-1344 GOVERNMENT SPECIFICATION |
| Media for Which Designed | OIL SECOND RESPONSE |
| Media for Which Designed | FUEL FIRST RESPONSE |
| Thread Quantity Per Inch | 20 ALL ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-DTL-13444 | 4/1 Identification reference U.S. Government activity |
| MS52104B040230P | 5/9 Secondary reference U.S. Government activity |
| MS52104B040230 | 5/9 Secondary reference U.S. Government activity |
| MS52104B-040230 | 2/2 Government specification standardization U.S. Government activity |
NSN 4720-01-641-2525 is a Hose Assembly,nonmetallic, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
Key specifications for 4720-01-641-2525: Measuring Method and Length: 23.0 INCHES NOMINAL WORKING IN; Connection Style: SWIVEL NUT FLARE ALL ENDS; Nominal Inside Diameter Hose Accommodated: 0.250 INCHES ALL ENDS IN; End Connection Design: STRAIGHT ALL ENDS. 11 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.