The Reducer,pipe, cataloged under National Stock Number 4730-01-322-1065, 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 Nibco Inc Chemtrol Div. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-322-1065 |
| Primary Part Number | 4618-3X2 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Nibco Inc Chemtrol Div |
| Status | ACTIVE |
| Connection Style | SOCKET (PIPE) FIRST END |
| Connection Style | SOCKET (PIPE) SECOND END |
| Nominal Overall Length | 2.000 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Material Document and Classification | ASTM D1784-65, TY1, GR1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 3.000 INCHES FIRST END IN |
| Operating Pressure | 280.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 60.0 CELSIUS SINGLE RESPONSE DEGC |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 40 FIRST END |
| Material | PLASTIC 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 |
|---|---|
| 4618-3X2 PRIMARY | Nibco Inc Chemtrol Div (USA) |
| 437-338 PRIMARY | Nibco Inc Chemtrol Div (USA) |
| Reference | Meaning |
|---|---|
| 437-338 | 3/9 Design control — primary reference Nibco Inc |
| 437-338 | 5/9 Secondary reference Nibco Inc |
| 437-338 | 5/9 Secondary reference Harrington Industrial Plastics Inc |
| 4618-3X2 | 5/9 Secondary reference Nibco Inc |
NSN 4730-01-322-1065 is a Reducer,pipe, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-322-1065 has 2 manufacturer part numbers on file: 4618-3X2 (Nibco Inc Chemtrol Div), 437-338 (Nibco Inc Chemtrol Div).
Key specifications for 4618-3X2: Connection Style: SOCKET (PIPE) FIRST END; Connection Style: SOCKET (PIPE) SECOND END; Nominal Overall Length: 2.000 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE FIRST END. 12 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.