The Union,pipe to Tube, cataloged under National Stock Number 4730-00-569-7660, 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 Kenco Products Co Inc. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-569-7660 |
| Primary Part Number | 3-4INFB |
| Item Name | Union,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Kenco Products Co Inc |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.750 INCHES SECOND END IN |
| Connection Style | SOCKET (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Coupling Flange Shape | HEXAGON |
| Nominal Overall Length | 2.875 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.875 INCHES FIRST END IN |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Maximum Operating Temp | 87.8 CELSIUS FIRST RESPONSE DEGC |
| Media for Which Designed | WATER FIRST RESPONSE |
| Thread Quantity Per Inch | 14 ALL ENDS |
| Material | STEEL THREAD PIECE |
| Material | COPPER TUBE |
| Thread Series Designator | NPT SECOND 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 |
|---|---|
| 3-4INFB PRIMARY | Kenco Products Co Inc (USA) |
NSN 4730-00-569-7660 is a Union,pipe to Tube, manufactured by Kenco Products Co Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-569-7660 has 1 manufacturer part number on file: 3-4INFB (Kenco Products Co Inc).
Key specifications for 3-4INFB: Nominal Pipe Size Accommodated: 0.750 INCHES SECOND END IN; Connection Style: SOCKET (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Coupling Flange Shape: HEXAGON. 16 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.