The Coupling,pipe, cataloged under National Stock Number 4730-01-016-4558, 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 Harvel Plastics, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-016-4558 |
| Primary Part Number | ADAPTOR 4IN ROLLGROOVED PVC 40 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Harvel Plastics, Inc. |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 4.000 INCHES ALL ENDS IN |
| Connection Style | SOCKET (PIPE) FIRST END |
| Connection Style | GROOVED (PIPE) SECOND END |
| Nominal Overall Length | 5.438 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | UNTHREADED EXTERNAL PIPE SECOND END |
| Style Designator | PLAIN |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 40 ALL ENDS |
| Material | PLASTIC POLYVINYL CHLORIDE (PVC) 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 |
|---|---|
| ADAPTOR 4IN ROLLGROOVED PVC 40 PRIMARY | Harvel Plastics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MIL-P-10388 | 4/1 Identification reference U.S. Government activity |
NSN 4730-01-016-4558 is a Coupling,pipe, manufactured by Harvel Plastics, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-016-4558 has 1 manufacturer part number on file: ADAPTOR 4IN ROLLGROOVED PVC 40 (Harvel Plastics, Inc.).
Key specifications for ADAPTOR 4IN ROLLGROOVED PVC 40: Nominal Pipe Size Accommodated: 4.000 INCHES ALL ENDS IN; Connection Style: SOCKET (PIPE) FIRST END; Connection Style: GROOVED (PIPE) SECOND END; Nominal Overall Length: 5.438 INCHES IN. 9 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.