The Flange,pipe, cataloged under National Stock Number 4730-00-457-6434, 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 Rolls-Royce Solutions America Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-457-6434 |
| Primary Part Number | 5125867 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Flange End Radius | 0.422 INCHES NOMINAL IN |
| Face Seating Surface Condition | UNFINISHED |
| Nominal Pipe Size for Which Designed | 1.156 INCHES IN |
| Flange Section Style | PLAIN FACE |
| Style Designator | OVAL, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.344 INCHES NOMINAL IN |
| Flange Length | 2.594 INCHES NOMINAL IN |
| Bolt Hole Quantity | 2 |
| Bolt Circle Diameter | 1.750 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Flange Width | 1.812 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 0.125 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 |
NSN 4730-00-457-6434 is a Flange,pipe, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-457-6434 has 2 manufacturer part numbers on file: 5125867 (Rolls-Royce Solutions America Inc), 33289 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-351-7286, 4820-01-354-8941, 4820-01-355-0372. Verify interchangeability with system specifications before substitution.
Key specifications for 5125867: Flange End Radius: 0.422 INCHES NOMINAL IN; Face Seating Surface Condition: UNFINISHED; Nominal Pipe Size for Which Designed: 1.156 INCHES IN; Flange Section Style: PLAIN FACE. 13 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.