The Flange,pipe, cataloged under National Stock Number 4730-01-190-5968, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-190-5968 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Face Bevel Angle | 30.0 DEGREES NOMINAL |
| Flange Diameter | 10.500 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 3.000 INCHES IN |
| Flange Section Style | BEVELED FACE |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.812 INCHES NOMINAL IN |
| Bevel Depth | 1.079 INCHES NOMINAL IN |
| Bolt Hole Quantity | 10 |
| Bolt Circle Diameter | 8.625 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| Thickness | 2.062 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 |
| Reference | Meaning |
|---|---|
| 2640-601 PIECE 2 | 5/9 Secondary reference U.S. Government activity |
| 2640-601 | 5/9 Secondary reference U.S. Government activity |
| 2050944 PC 2 | 3/2 Design control — primary reference U.S. Government activity |
| 2050944 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-190-5968 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-199-1877. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-190-5968: Face Bevel Angle: 30.0 DEGREES NOMINAL; Flange Diameter: 10.500 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 3.000 INCHES IN. 12 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.