The Union,pipe to Tube, cataloged under National Stock Number 4730-01-081-6952, 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 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-081-6952 |
| Item Name | Union,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.500 INCHES SECOND END IN |
| Connection Style | PLAIN (PIPE) FIRST END |
| Coupling Flange Shape | HEXAGON |
| Nominal Overall Length | 2.500 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | UNTHREADED INTERNAL PIPE SECOND END |
| Style Designator | SCREWED |
| Operating Pressure | 250.0 KILOGRAMS PER SQUARE CENTIMETER MAXIMUM SINGLE RESPONSE KG |
| Seat Type | GASKET |
| Nominal Thread Size | 1.500 INCHES FIRST END IN |
| Maximum Operating Temp | 210.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | WATER SECOND RESPONSE |
| Media for Which Designed | AIR FIRST RESPONSE |
| Material | STEEL BODY |
| Material | STEEL NUT |
| Material | COPPER SLEEVE |
| Thread Series Designator | NPT FIRST END |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| FX1-1-2 | 3/9 Design control — primary reference Epco Products Co |
NSN 4730-01-081-6952 is a Union,pipe to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-081-6952: Nominal Pipe Size Accommodated: 1.500 INCHES SECOND END IN; Connection Style: PLAIN (PIPE) FIRST END; Coupling Flange Shape: HEXAGON; Nominal Overall Length: 2.500 INCHES IN. 18 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.