The Flange,pipe, cataloged under National Stock Number 4730-01-273-2666, 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 Wilo Usa Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-273-2666 |
| Primary Part Number | 133.000.370 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Wilo Usa Llc |
| Status | ACTIVE |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 3.000 INCHES IN |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 3.000 INCHES IN |
| Specification/standard Data | 81349-MIL-F-20042 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 150 CLASS |
| Screw Thread Series Designator | NPS |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 133.000.370 PRIMARY | Wilo Usa Llc (USA) |
| Reference | Meaning |
|---|---|
| MIL-F-20042 | 4/1 Identification reference U.S. Government activity |
NSN 4730-01-273-2666 is a Flange,pipe, manufactured by Wilo Usa Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-273-2666 has 1 manufacturer part number on file: 133.000.370 (Wilo Usa Llc).
Key specifications for 133.000.370: Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 3.000 INCHES IN; Material Document and Classification: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE; Nominal Thread Size: 3.000 INCHES IN. 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.