The Flange,pipe, cataloged under National Stock Number 4730-01-701-2390, 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 Blackhawk Supply, Llc.. Government technical data includes 14 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 | 4730-01-701-2390 |
| Primary Part Number | 851-030C |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Blackhawk Supply, Llc. |
| Status | ACTIVE |
| Flange Diameter | 7.5625 INCHES NOMINAL IN |
| Face Seating Surface Condition | UNFINISHED |
| Nominal Pipe Size for Which Designed | 3.0 INCHES IN |
| Socket Depth | 1.875 INCHES NOMINAL IN |
| Supplementary Features | MATERIAL IS CHLORINATED POLYVINYL CHLORIDE; WEIGHT IS 1.87 LBS; COLOR IS GRAY LBS |
| Flange Section Style | PLAIN FACE, LONG NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.625 INCHES NOMINAL IN |
| Neck Height | 1.22125 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 6.0 INCHES NOMINAL IN |
| Material | PLASTIC |
| Neck Diameter | 4.28125 INCHES NOMINAL IN |
| Thickness | 1.09375 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 |
|---|---|
| 851-030C PRIMARY | Blackhawk Supply, Llc. (USA) |
NSN 4730-01-701-2390 is a Flange,pipe, manufactured by Blackhawk Supply, Llc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-701-2390 has 1 manufacturer part number on file: 851-030C (Blackhawk Supply, Llc.).
Key specifications for 851-030C: Flange Diameter: 7.5625 INCHES NOMINAL IN; Face Seating Surface Condition: UNFINISHED; Nominal Pipe Size for Which Designed: 3.0 INCHES IN; Socket Depth: 1.875 INCHES NOMINAL IN. 14 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.