The Coupling,pipe, cataloged under National Stock Number 4730-01-133-8906, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-133-8906 |
| Primary Part Number | K-500-P-4-0004 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Kovatch Corp. |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 4.000 INCHES ALL ENDS IN |
| Connection Style | GROOVED (PIPE) ALL ENDS |
| Nominal Overall Length | 6.625 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | GROOVED BOTH ENDS |
| Surface Treatment | ANODIZE OVERALL |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| Material | ALUMINUM ALLOY OVERALL |
| 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-4-0004 PRIMARY | Kovatch Corp. (USA) |
| Reference | Meaning |
|---|---|
| FIG.10-13 | D/9 Drawing number reference only Kovatch Corp. |
NSN 4730-01-133-8906 is a Coupling,pipe, manufactured by Kovatch Corp., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-133-8906 has 1 manufacturer part number on file: K-500-P-4-0004 (Kovatch Corp.).
Key specifications for K-500-P-4-0004: Nominal Pipe Size Accommodated: 4.000 INCHES ALL ENDS IN; Connection Style: GROOVED (PIPE) ALL ENDS; Nominal Overall Length: 6.625 INCHES IN; Connection Type: UNTHREADED EXTERNAL PIPE ALL ENDS. 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.