The Flange,pipe, cataloged under National Stock Number 4730-01-030-9251, 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 Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 19 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 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 | 4730-01-030-9251 |
| Primary Part Number | 396379 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Face Seating Surface Condition | MACHINED |
| Tube Outside Diameter for Which Designed | 1.438 INCHES NOMINAL IN |
| Flange Section Style | RAISED FACE, WELDING NECK |
| Style Designator | RECTANGULAR, WITH BOLT HOLES |
| Bolt Hole Diameter | 0.344 INCHES NOMINAL IN |
| Neck Height | 2.375 INCHES NOMINAL IN |
| Flange Length | 4.875 INCHES NOMINAL IN |
| Reducer Flange Hole Type | CONCENTRIC |
| Recess Diameter | 3.000 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 3.631 INCHES NOMINAL IN |
| Raised Face Diameter | 3.250 INCHES NOMINAL IN |
| Raised Face Height | 0.125 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Width | 3.631 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.656 INCHES NOMINAL IN |
| Flange Width | 4.375 INCHES NOMINAL IN |
| Material | ALUMINUM |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.562 INCHES NOMINAL IN |
| Thickness | 0.375 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 |
|---|---|
| 396379 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 4730-01-030-9251 is a Flange,pipe, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-030-9251 has 1 manufacturer part number on file: 396379 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 2805-01-145-1997. Verify interchangeability with system specifications before substitution.
Key specifications for 396379: Face Seating Surface Condition: MACHINED; Tube Outside Diameter for Which Designed: 1.438 INCHES NOMINAL IN; Flange Section Style: RAISED FACE, WELDING NECK; Style Designator: RECTANGULAR, WITH BOLT HOLES. 19 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.