The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-557-3295, 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 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-557-3295 |
| Primary Part Number | 7326639-230 |
| Item Name | Hose Assembly,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Measuring Method and Length | 29.500 INCHES NOMINAL WORKING IN |
| Temp Rating | -65.0 FAHRENHEIT AND 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Minimum Inside Bending Radius | 5.000 INCHES IN |
| Connection Style | SWIVEL NUT, GASKET SEAL ALL ENDS |
| End Connection Design | STRAIGHT ALL ENDS |
| Connection Type | THREADED INTERNAL BOSS ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES ALL ENDS IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 1.270 INCHES NOMINAL IN |
| Nominal Thread Size | 1.500 INCHES ALL ENDS IN |
| Inside Diameter | 0.867 INCHES NOMINAL IN |
| Inside Surface Condition | SMOOTH |
| Media for Which Designed | WATER, SALT SINGLE RESPONSE |
| Thread Class | 2B ALL ENDS |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Thread Series Designator | UNF 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 |
| Part Number | Manufacturer |
|---|---|
| 7326639-230 PRIMARY | Naval Sea Systems Command (USA) |
| 7326639-230 | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 5793194 FIND NO 108 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4720-01-557-3295 is a Hose Assembly,nonmetallic, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-557-3295 has 2 manufacturer part numbers on file: 7326639-230 (Naval Sea Systems Command), 7326639-230 (Hydrasearch Company, Llc).
Key specifications for 7326639-230: Measuring Method and Length: 29.500 INCHES NOMINAL WORKING IN; Temp Rating: -65.0 FAHRENHEIT AND 400.0 FAHRENHEIT SINGLE RESPONSE DEGF; Minimum Inside Bending Radius: 5.000 INCHES IN; Connection Style: SWIVEL NUT, GASKET SEAL ALL ENDS. 16 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.