The Flange,pipe, cataloged under National Stock Number 4730-00-089-2371, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-089-2371 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Face Seating Surface Condition | UNFINISHED |
| Maximum Operating Temp and Media for Which Designed | 260.0 FAHRENHEIT ANY ACCEPTABLE DEGF |
| Tube Outside Diameter for Which Designed | 2.625 INCHES NOMINAL IN |
| Flange Section Style | PLAIN FACE (BLIND) |
| Style Designator | BOLT HOLE CONNECTOR PLATE |
| Bolt Hole Diameter | 0.534 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Features Provided | SPLIT NECK |
| Flange Length | 3.950 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 3.062 INCHES MINIMUM AND 3.075 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OR OXIDE |
| Flange Width | 3.875 INCHES NOMINAL IN |
| Material | IRON OR STEEL |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.765 INCHES NOMINAL IN |
| Thickness | 1.062 INCHES MAXIMUM 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 |
|---|---|
| 9409985 | 3/9 Design control — primary reference U.S. Government activity |
| 9409985 | 5/9 Secondary reference Euclid Inc |
NSN 4730-00-089-2371 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-089-2371: Face Seating Surface Condition: UNFINISHED; Maximum Operating Temp and Media for Which Designed: 260.0 FAHRENHEIT ANY ACCEPTABLE DEGF; Tube Outside Diameter for Which Designed: 2.625 INCHES NOMINAL IN; Flange Section Style: PLAIN FACE (BLIND). 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.