The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-088-7301, 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 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-088-7301 |
| Item Name | Adapter,straight,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 (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Overall Length | 8.000 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-C-390,ALLOY D5,TY3 FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES FIRST END IN |
| Nominal Thread Size | 1.875 INCHES FIRST END IN |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY NUT |
| Thread Series Designator | UN FIRST END |
| 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 |
|---|---|
| 2621-022-01ASSY124 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-088-7301 is a Adapter,straight,pipe to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-088-7301: Nominal Pipe Size Accommodated: 1.500 INCHES SECOND END IN; Connection Style: PLAIN (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Nominal Overall Length: 8.000 INCHES IN. 15 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.