The Flange,pipe, cataloged under National Stock Number 4730-01-319-2766, 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 Derbyshire Machine & Tool Co. Government technical data includes 17 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-319-2766 |
| Primary Part Number | 2621-228-02 PC149 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Socket Diameter | 1.915 INCHES NOMINAL IN |
| Flange Diameter | 5.000 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 1.500 INCHES IN |
| Socket Depth | 0.620 INCHES NOMINAL IN |
| Operating Pressure and Type | 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Flange Section Style | RAISED FACE, SOCKET NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.562 INCHES NOMINAL IN |
| Neck Height | 0.950 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 3.875 INCHES NOMINAL IN |
| Raised Face Diameter | 2.880 INCHES NOMINAL IN |
| Raised Face Height | 0.060 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE |
| Material | NICKEL ALLOY |
| Thickness | 0.710 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 |
|---|---|
| 2621-228-02 PC149 PRIMARY | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 468449 | D/9 Drawing number reference only U.S. Government activity |
| 4684449-T/F89 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 468449-T/F89 | 5/2 Secondary reference U.S. Government activity |
| 2621-228-02 PC149 | 3/2 Design control — primary reference U.S. Government activity |
| 2621-228-02 | D/9 Drawing number reference only U.S. Government activity |
| 4687676 PC149 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-319-2766 is a Flange,pipe, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-319-2766 has 1 manufacturer part number on file: 2621-228-02 PC149 (Derbyshire Machine & Tool Co).
Key specifications for 2621-228-02 PC149: Socket Diameter: 1.915 INCHES NOMINAL IN; Flange Diameter: 5.000 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 1.500 INCHES IN. 17 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.