The Coupling Assembly,tube, cataloged under National Stock Number 4730-01-497-5760, 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 Tube-Mac Piping Technologies Ltd. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-497-5760 |
| Primary Part Number | DM80088B25 |
| Item Name | Coupling Assembly,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Tube-Mac Piping Technologies Ltd |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 BULKHEAD NUT AND 2 COUPLING NUT |
| Nominal Overall Length | 255.0 MILLIMETERS MM |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 25.0 MILLIMETERS ALL ENDS MM |
| Material | COPPER AND NICKEL ALLOY OVERALL |
| 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 |
|---|---|
| DM80088B25 PRIMARY | Tube-Mac Piping Technologies Ltd (CAN) |
| Reference | Meaning |
|---|---|
| DM80088B25 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
NSN 4730-01-497-5760 is a Coupling Assembly,tube, manufactured by Tube-Mac Piping Technologies Ltd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-497-5760 has 1 manufacturer part number on file: DM80088B25 (Tube-Mac Piping Technologies Ltd).
Key specifications for DM80088B25: Furnished Items and Quantity: 2 BULKHEAD NUT AND 2 COUPLING NUT; Nominal Overall Length: 255.0 MILLIMETERS MM; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 25.0 MILLIMETERS ALL ENDS MM. 5 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.