The Flange,pipe, cataloged under National Stock Number 4730-00-504-3411, 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 Cummins Inc.. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-504-3411 |
| Primary Part Number | 103535 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Flange End Radius | 0.469 INCHES NOMINAL IN |
| Face Seating Surface Condition | GROUND |
| Nominal Pipe Size for Which Designed | 0.750 INCHES IN |
| Flange Section Style | PLAIN FACE, LONG NECK |
| Style Designator | OVAL, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.344 INCHES NOMINAL IN |
| Neck Height | 0.375 INCHES NOMINAL IN |
| Groove Depth | 0.078 INCHES NOMINAL IN |
| Flange Length | 3.391 INCHES NOMINAL IN |
| Nominal Thread Size | 0.750 INCHES IN |
| Groove Pitch Diameter | 1.562 INCHES NOMINAL IN |
| Bolt Hole Quantity | 2 |
| Bolt Circle Diameter | 2.500 INCHES NOMINAL IN |
| Screw Thread Series Designator | NPT |
| Material | STEEL |
| Neck Diameter | 1.781 INCHES NOMINAL IN |
| Groove Width | 0.125 INCHES NOMINAL IN |
| Thickness | 0.281 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 |
|---|---|
| 103535 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| BM25445 | 5/9 Secondary reference Cummins Inc. |
NSN 4730-00-504-3411 is a Flange,pipe, manufactured by Cummins Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-504-3411 has 1 manufacturer part number on file: 103535 (Cummins Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 2530-01-129-8702, 4320-01-509-1995. Verify interchangeability with system specifications before substitution.
Key specifications for 103535: Flange End Radius: 0.469 INCHES NOMINAL IN; Face Seating Surface Condition: GROUND; Nominal Pipe Size for Which Designed: 0.750 INCHES IN; Flange Section Style: PLAIN FACE, LONG NECK. 18 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.