The Coupling,pipe, cataloged under National Stock Number 4730-01-207-9554, 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 Mueller Brass Co.. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-207-9554 |
| Primary Part Number | WC-401/W-1187 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mueller Brass Co. |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 2.000 INCHES SECOND END IN |
| Connection Style | GROOVED (PIPE) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Overall Length | 2.594 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Style Designator | RIGID, SHORT CENTER WRENCHING FACILITY |
| Nominal Thread Size | 2.000 INCHES FIRST END IN |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT 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 |
| Part Number | Manufacturer |
|---|---|
| WC-401/W-1187 PRIMARY | Mueller Brass Co. (USA) |
| Reference | Meaning |
|---|---|
| 58895-3432 | C/1 Advisory reference — outside the item-of-supply concept Tld Ace Corp Div Tld Ace |
| C5075897-29 | 5/9 Secondary reference Signals Warfare Project Manager |
NSN 4730-01-207-9554 is a Coupling,pipe, manufactured by Mueller Brass Co., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-207-9554 has 1 manufacturer part number on file: WC-401/W-1187 (Mueller Brass Co.).
Key specifications for WC-401/W-1187: Nominal Pipe Size Accommodated: 2.000 INCHES SECOND END IN; Connection Style: GROOVED (PIPE) SECOND END; Connection Style: PLAIN (PIPE) FIRST END; Nominal Overall Length: 2.594 INCHES IN. 10 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.