The Union,tube, cataloged under National Stock Number 4730-01-375-7238, 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 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-375-7238 |
| Item Name | Union,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 4 BOLT AND 1 GASKET AND 4 JAM NUT |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Nominal Overall Length | 2.375 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | FLANGED |
| Nominal Outside Diameter Tube Accommodated | 0.875 INCHES ALL ENDS IN |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Seat Type | GASKET |
| Maximum Operating Temp | 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | REFRIGERATION COMPOUND SINGLE RESPONSE |
| Material | STEEL BODY |
| Material | STEEL CORROSION RESISTING BOLT |
| Material | COPPER ALLOY FLANGE |
| 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 |
|---|---|
| P30-G | 5/9 Secondary reference Henry Technologies, Inc. |
| 61Y3-186 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-01-375-7238 is a Union,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-375-7238: Furnished Items and Quantity: 4 BOLT AND 1 GASKET AND 4 JAM NUT; Connection Style: PLAIN (TUBE) ALL ENDS; Nominal Overall Length: 2.375 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS. 13 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.