The Coupling,pipe, cataloged under National Stock Number 4730-01-341-0675, 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 Mcmaster-Carr Supply Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-341-0675 |
| Primary Part Number | 4638K115 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | THREADED INTERNAL |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| 4638K115 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 4638K165 | 3/9 Design control — primary reference Mcmaster-Carr Supply Co |
| 4557K65 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
NSN 4730-01-341-0675 is a Coupling,pipe, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-341-0675 has 1 manufacturer part number on file: 4638K115 (Mcmaster-Carr Supply Co).
Key specifications for 4638K115: Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: THREADED INTERNAL; Nominal Thread Size: 0.750 INCHES ALL ENDS IN. 7 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.