The Flange,pipe, cataloged under National Stock Number 4730-01-154-7993, 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 General Electric Company. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-154-7993 |
| Primary Part Number | 501E457AA PIECE 95 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Flange Diameter | 5.562 INCHES NOMINAL IN |
| Face Seating Surface Condition | SERRATED |
| Nominal Pipe Size for Which Designed | 1.688 INCHES IN |
| Flange Section Style | PLAIN FACE |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.562 INCHES NOMINAL IN |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 4.438 INCHES NOMINAL IN |
| Material | STEEL COMP 1025 |
| Thickness | 0.500 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 |
|---|---|
| 501E457AA PIECE 95 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 101A130AF PIECE 12 | 5/9 Secondary reference General Electric Company |
| 101A130AF PIECE 12 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
NSN 4730-01-154-7993 is a Flange,pipe, manufactured by General Electric Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-154-7993 has 1 manufacturer part number on file: 501E457AA PIECE 95 (General Electric Company).
Key specifications for 501E457AA PIECE 95: Flange Diameter: 5.562 INCHES NOMINAL IN; Face Seating Surface Condition: SERRATED; Nominal Pipe Size for Which Designed: 1.688 INCHES IN; Flange Section Style: PLAIN FACE. 10 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.