The Reducer,pipe, cataloged under National Stock Number 4730-01-357-8709, 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 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-357-8709 |
| Primary Part Number | 5/8 OD MALE X 1/2 OD FEMALE |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mueller Brass Co. |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.625 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 0.500 INCHES FIRST END IN |
| Connection Style | SOCKET (PIPE) FIRST END |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Type | UNTHREADED INTERNAL PIPE FIRST END |
| Connection Type | UNTHREADED EXTERNAL PIPE SECOND END |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 5/8 OD MALE X 1/2 OD FEMALE PRIMARY | Mueller Brass Co. (USA) |
| Reference | Meaning |
|---|---|
| ANSI-B16.22 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| B16.22 | 5/1 Secondary reference U.S. Government activity |
| 0.625OD MALE X | C/1 Advisory reference — outside the item-of-supply concept Mueller Brass Co. |
| MATERIAL TO BE | C/1 Advisory reference — outside the item-of-supply concept Mueller Brass Co. |
NSN 4730-01-357-8709 is a Reducer,pipe, manufactured by Mueller Brass Co., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-357-8709 has 1 manufacturer part number on file: 5/8 OD MALE X 1/2 OD FEMALE (Mueller Brass Co.).
Key specifications for 5/8 OD MALE X 1/2 OD FEMALE: Nominal Pipe Size Accommodated: 0.625 INCHES SECOND END IN; Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN; Connection Style: SOCKET (PIPE) FIRST END; Connection Style: PLAIN (TUBE) SECOND END. 8 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.