The Flange,pipe, cataloged under National Stock Number 4730-01-345-3959, 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 Corporation Div Fed. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-345-3959 |
| Primary Part Number | R51AW2-0100MB |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Corporation Div Fed |
| Status | ACTIVE |
| FSC Application Data | PACER DAWN |
| 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 |
|---|---|
| R51AW2-0100MB PRIMARY | Eaton Corporation Div Fed (USA) |
| Reference | Meaning |
|---|---|
| 4730-131-0100MB | 5/9 Secondary reference Aidc/aerospace Industrial Development Corp. Dba Aidc |
NSN 4730-01-345-3959 is a Flange,pipe, manufactured by Eaton Corporation Div Fed, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-345-3959 has 1 manufacturer part number on file: R51AW2-0100MB (Eaton Corporation Div Fed).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-354-8994. Verify interchangeability with system specifications before substitution.
Key specifications for R51AW2-0100MB: FSC Application Data: PACER DAWN. 1 specification is 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.