The Coupling,tube, cataloged under National Stock Number 4730-01-263-5675, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-263-5675 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | CLAMPING W/ GASKET SEAL (TUBE) ALL ENDS |
| Nominal Overall Length | 3.500 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | COMPRESSION CLAMP TYPE (FLEXMASTER) |
| Nominal Outside Diameter Tube Accommodated | 2.000 INCHES ALL ENDS IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 102.0 CELSIUS SINGLE RESPONSE DEGC |
| Surface Treatment | ZINC BAND |
| Media for Which Designed | OIL SECOND RESPONSE |
| Media for Which Designed | AIR FIRST RESPONSE |
| Media for Which Designed | WATER THIRD RESPONSE |
| Material | STEEL NUT |
| Material | STEEL RETAINER |
| Material | RUBBER SYNTHETIC GASKET |
| Material | STEEL SLEEVE |
| Material | STEEL BOLT |
| Material | STEEL CLAMP |
| 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 |
|---|---|
| NH1625C200B0350 | 3/9 Design control — primary reference Greenfield Steel Stamp Corp |
| NH1625C200B350 | 5/9 Secondary reference Greenfield Steel Stamp Corp |
NSN 4730-01-263-5675 is a Coupling,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-263-5675: Connection Style: CLAMPING W/ GASKET SEAL (TUBE) ALL ENDS; Nominal Overall Length: 3.500 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Style Designator: COMPRESSION CLAMP TYPE (FLEXMASTER). 17 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.