The Flange,pipe, cataloged under National Stock Number 4730-00-406-6809, 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 Danfoss Power Solutions II, Llc. Government technical data includes 21 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 | 4730-00-406-6809 |
| Primary Part Number | FC3218-20-6 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Socket Diameter | 2.031 INCHES NOMINAL IN |
| Face Seating Surface Condition | GROUND |
| Nominal Pipe Size for Which Designed | 1.500 INCHES IN |
| Socket Depth | 0.300 INCHES NOMINAL IN |
| Flange Section Style | PLAIN FACE, SOCKET NECK |
| Style Designator | RECTANGULAR, WITH BOLT HOLES |
| Bolt Hole Diameter | 0.438 INCHES NOMINAL IN |
| Neck Height | 0.400 INCHES NOMINAL IN |
| Flange Length | 3.188 INCHES NOMINAL IN |
| Nominal Thread Size | 0.375 INCHES IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 2.312 INCHES NOMINAL IN |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Center to Center Distance Between Bolt Holes Along Width | 1.188 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.812 INCHES NOMINAL IN |
| Flange Width | 2.900 INCHES NOMINAL IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Material | IRON |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.438 INCHES NOMINAL IN |
| Thickness | 0.570 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 |
|---|---|
| FC3218-20-6 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
NSN 4730-00-406-6809 is a Flange,pipe, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-406-6809 has 1 manufacturer part number on file: FC3218-20-6 (Danfoss Power Solutions II, Llc).
Key specifications for FC3218-20-6: Socket Diameter: 2.031 INCHES NOMINAL IN; Face Seating Surface Condition: GROUND; Nominal Pipe Size for Which Designed: 1.500 INCHES IN; Socket Depth: 0.300 INCHES NOMINAL IN. 21 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.