The Nut,tube Coupling, cataloged under National Stock Number 4730-01-398-1435, 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 Marvin Engineering Co, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-398-1435 |
| Primary Part Number | 2MAU1117 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Marvin Engineering Co, Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 1 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Series | UNF |
| Material Document and Classification | MIL-S-6758 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.625 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | TUBE COUPLING |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4130 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 |
|---|---|
| 2MAU1117 PRIMARY | Marvin Engineering Co, Inc (USA) |
| Reference | Meaning |
|---|---|
| 9436132 | 7/1 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-398-1435 is a Nut,tube Coupling, manufactured by Marvin Engineering Co, Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-398-1435 has 1 manufacturer part number on file: 2MAU1117 (Marvin Engineering Co, Inc).
Key specifications for 2MAU1117: Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 1 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Series: UNF; Material Document and Classification: MIL-S-6758 MIL SPEC ALL MATERIAL RESPONSES OVERALL; Thread Direction: RIGHT-HAND. 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.