The Flange,pipe, cataloged under National Stock Number 4730-01-386-8334, 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 Waukesha Bearings Corporation. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-386-8334 |
| Primary Part Number | 164-355-011 ITEM3 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Waukesha Bearings Corporation |
| Status | ACTIVE |
| Flange Diameter | 22.250 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Flange Section Style | RAISED AND RECESSED FACE, RAISED NECK |
| Style Designator | ROUND, TWO BOLT HOLE CIRCLES |
| Outer Bolt Circle Hole Diameter | 0.081 INCHES NOMINAL IN |
| Inner Bolt Circle Hole Diameter | 0.312 INCHES NOMINAL IN |
| Recess Depth | 0.411 INCHES NOMINAL IN |
| Outer Bolt Circle Hole Quantity | 12 |
| Recess Diameter | 15.512 INCHES NOMINAL IN |
| Raised Face Height | 0.250 INCHES NOMINAL IN |
| Inner Bolt Circle Diameter | 16.771 INCHES NOMINAL IN |
| Material | STEEL |
| Outer Bolt Circle Diameter | 20.669 INCHES NOMINAL IN |
| Inner Bolt Circle Hole Quantity | 16 |
| Thickness | 0.750 INCHES NOMINAL 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 |
|---|---|
| 164-355-011 ITEM3 PRIMARY | Waukesha Bearings Corporation (USA) |
| Reference | Meaning |
|---|---|
| 000234987 | D/9 Drawing number reference only Waukesha Bearings Corporation |
| 000234987-000 | C/1 Advisory reference — outside the item-of-supply concept Defense Maritime Solutions, Inc. |
| 000234987-000 | 5/9 Secondary reference Wartsila Lips Inc |
NSN 4730-01-386-8334 is a Flange,pipe, manufactured by Waukesha Bearings Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-386-8334 has 1 manufacturer part number on file: 164-355-011 ITEM3 (Waukesha Bearings Corporation).
Key specifications for 164-355-011 ITEM3: Flange Diameter: 22.250 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Flange Section Style: RAISED AND RECESSED FACE, RAISED NECK; Style Designator: ROUND, TWO BOLT HOLE CIRCLES. 15 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.