The Coupling,pipe, cataloged under National Stock Number 4730-01-422-1986, 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 Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-422-1986 |
| Primary Part Number | 2IN,COUPLING,SW70/30CUNI |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 2.000 INCHES ALL ENDS IN |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Nominal Overall Length | 2.200 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | PLAIN |
| Material Document and Classification | MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Maximum Operating Temp | 425.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | COPPER ALLOY 715 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 |
|---|---|
| 2IN,COUPLING,SW70/30CUNI PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 803-6397430 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-422-1986 is a Coupling,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-422-1986 has 1 manufacturer part number on file: 2IN,COUPLING,SW70/30CUNI (Naval Sea Systems Command).
Key specifications for 2IN,COUPLING,SW70/30CUNI: Nominal Pipe Size Accommodated: 2.000 INCHES ALL ENDS IN; Connection Style: SOCKET (PIPE) ALL ENDS; Nominal Overall Length: 2.200 INCHES IN; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 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.