The Union,pipe, cataloged under National Stock Number 4730-00-361-0789, 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 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-361-0789 |
| Primary Part Number | A11213 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mueller Brass Co. |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 1.375 INCHES FIRST END IN |
| Connection Style | SOCKET (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Union Joint Location | FIRST END |
| Coupling Flange Shape | HEXAGON |
| Nominal Overall Length | 3.860 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Style Designator | SCREWED |
| Seat Type | GROUND-JOINT |
| Nominal Thread Size | 1.125 INCHES SECOND END IN |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT SECOND END |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| A11213 PRIMARY | Mueller Brass Co. (USA) |
| 6664212-22 PRIMARY | Acf Industries Inc (USA) |
NSN 4730-00-361-0789 is a Union,pipe, manufactured by Mueller Brass Co., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-361-0789 has 2 manufacturer part numbers on file: A11213 (Mueller Brass Co.), 6664212-22 (Acf Industries Inc).
Key specifications for A11213: Nominal Pipe Size Accommodated: 1.375 INCHES FIRST END IN; Connection Style: SOCKET (PIPE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Union Joint Location: FIRST END. 14 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.