The Flange,pipe, cataloged under National Stock Number 4730-01-244-6057, 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 Flowserve Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-244-6057 |
| Primary Part Number | SW-7182-2-1/2 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Flowserve Inc |
| Status | ACTIVE |
| Socket Diameter | 2.938 INCHES NOMINAL IN |
| Flange Diameter | 7.000 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Nominal Pipe Size for Which Designed | 2.500 INCHES IN |
| Socket Depth | 0.750 INCHES NOMINAL IN |
| Maximum Operating Temp and Media for Which Designed | 500.0 FAHRENHEIT ANY ACCEPTABLE DEGF |
| Flange Section Style | RAISED FACE, SOCKET NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.625 INCHES NOMINAL IN |
| Neck Height | 0.250 INCHES NOMINAL IN |
| Specification/standard Data | 80204-B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 9 TABLE AND 2.500 IN. SIZE IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 5.500 INCHES NOMINAL IN |
| Raised Face Diameter | 4.125 INCHES NOMINAL IN |
| Raised Face Height | 0.062 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 0.813 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 |
|---|---|
| SW-7182-2-1/2 PRIMARY | Flowserve Inc (USA) |
| Reference | Meaning |
|---|---|
| B16.5 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-244-6057 is a Flange,pipe, manufactured by Flowserve Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-244-6057 has 1 manufacturer part number on file: SW-7182-2-1/2 (Flowserve Inc).
Key specifications for SW-7182-2-1/2: Socket Diameter: 2.938 INCHES NOMINAL IN; Flange Diameter: 7.000 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 2.500 INCHES IN. 18 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.