The Connector,tubing,straight, cataloged under National Stock Number 4730-01-493-3453, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Mason Industries, Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-493-3453 |
| Primary Part Number | SFU-DI-25 |
| Item Name | Connector,tubing,straight |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mason Industries, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| SFU-DI-25 PRIMARY | Mason Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MFTFU-25/EPDM | 5/9 Secondary reference Mason Industries, Inc. |
NSN 4730-01-493-3453 is a Connector,tubing,straight, manufactured by Mason Industries, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-493-3453 has 1 manufacturer part number on file: SFU-DI-25 (Mason Industries, Inc.).
Key specifications for SFU-DI-25: Special Features: 1 INCH OR 25 MM PIPE; 7 INCH OR 175 MM LONG; ALLOWABLE MOVEMENT 24 DEG ANGULAR; PRESSURE REDUCTION AT HIGHER TEMPERATURES 170 DEG F 250 PSI, 180 DEG F 245 PSI, 210 DEG F 235 PSI, 230 DEG F 225 PSI, 250 DEG F 215 PSI; BURST PRESSURES ARE A MINIMUM OF THREE TIMES OPERATING PRESSURES; BAKED ENAMEL DUCTILE IRON PIPE FLANGES; MULTI-LAYERED KEVLAR TIRE CORD FABRIC REINFORCEMENT WITH PEROXIDE CURED EPDM COVER, LINER AND FABRIC FRICTIONING MM. 0 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.