The Flange,pipe, cataloged under National Stock Number 4730-01-180-2917, 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 15 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-180-2917 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Socket Diameter | 1.323 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN |
| Face Seating Surface Condition | GROUND |
| Nominal Pipe Size for Which Designed | 1.000 INCHES IN |
| Socket Depth | 0.520 INCHES NOMINAL IN |
| Flange Section Style | RAISED FACE, SOCKET NECK |
| Style Designator | SQUARE, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.469 INCHES NOMINAL IN |
| Neck Height | 0.885 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 2.650 INCHES NOMINAL IN |
| Raised Face Diameter | 1.435 INCHES MINIMUM AND 1.437 INCHES MAXIMUM IN |
| Raised Face Height | 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN |
| Flange Width | 2.750 INCHES NOMINAL IN |
| Material | STEEL COMP 304 |
| Thickness | 0.860 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 |
|---|---|
| 845-4687676 | D/9 Drawing number reference only U.S. Government activity |
| 12-97-0798 | 3/2 Design control — primary reference U.S. Government activity |
| 2621-228-02 ASSY 49 MOD E | 5/2 Secondary reference U.S. Government activity |
| 516-4682243F23 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4730-01-180-2917 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-180-2917: Socket Diameter: 1.323 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN; Face Seating Surface Condition: GROUND; Nominal Pipe Size for Which Designed: 1.000 INCHES IN; Socket Depth: 0.520 INCHES NOMINAL IN. 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.