The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-133-7866, 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 Kovatch Corp.. Government technical data includes 14 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 | 4730-01-133-7866 |
| Primary Part Number | K-500-P-4-0001 |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Kovatch Corp. |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Nominal Pipe Size Accommodated | 4.000 INCHES FIRST END IN |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | GROOVED (PIPE) FIRST END |
| Bolt Circle Nominal Diameter | 5.875 INCHES SECOND END IN |
| Nominal Overall Length | 11.063 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | UNTHREADED EXTERNAL PIPE FIRST END |
| Bolt Hole Nominal Diameter | 0.438 INCHES SECOND END IN |
| Nominal Outside Diameter | 6.625 INCHES SECOND END IN |
| Bolt Hole Quantity | 8 SECOND END |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE STD FIRST END |
| Material | ALUMINUM OVERALL |
| Nominal Thickness | 0.312 INCHES SECOND END IN |
| 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 |
|---|---|
| K-500-P-4-0001 PRIMARY | Kovatch Corp. (USA) |
NSN 4730-01-133-7866 is a Adapter,straight,flange to Pipe, manufactured by Kovatch Corp., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-133-7866 has 1 manufacturer part number on file: K-500-P-4-0001 (Kovatch Corp.).
Key specifications for K-500-P-4-0001: Flange Shape: ROUND WITH HOLES SECOND END; Nominal Pipe Size Accommodated: 4.000 INCHES FIRST END IN; Flange Face Design: PLAIN SECOND END; Connection Style: GROOVED (PIPE) 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.