The Flange,pipe, cataloged under National Stock Number 4730-00-033-8427, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-033-8427 |
| Primary Part Number | 57A144B54 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Flange Diameter | 8.062 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Flange Section Style | PLAIN FACE, LONG NECK |
| Style Designator | ROUND, NO BOLT HOLES |
| Neck Height | 2.312 INCHES NOMINAL IN |
| Groove Depth | 0.245 INCHES NOMINAL IN |
| Groove Pitch Diameter | 8.875 INCHES NOMINAL IN |
| Surface Treatment | PAINT |
| Material | ALUMINUM |
| Neck Diameter | 8.062 INCHES NOMINAL IN |
| Furnished Items | ALUMINUM BAND |
| Groove Width | 0.375 INCHES NOMINAL IN |
| Thickness | 0.062 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 |
|---|---|
| 57A144B54 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 4730-00-033-8427 is a Flange,pipe, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-033-8427 has 1 manufacturer part number on file: 57A144B54 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 57A144B54: Flange Diameter: 8.062 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Flange Section Style: PLAIN FACE, LONG NECK; Style Designator: ROUND, NO BOLT HOLES. 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.