The Flange,pipe, cataloged under National Stock Number 4730-01-578-8975, 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 Texas Flange & Fitting Supply Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-578-8975 |
| Primary Part Number | SCH40 A182 316/L |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Texas Flange & Fitting Supply Inc |
| Status | ACTIVE |
| Flange Diameter | 10.000 INCHES NOMINAL IN |
| Face Seating Surface Condition | GROUND |
| Nominal Pipe Size for Which Designed | 5.000 INCHES IN |
| Flange Section Style | RAISED FACE, WELDING NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 8.875 INCHES NOMINAL IN |
| Neck Height | 2.562 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 8.500 INCHES NOMINAL IN |
| Raised Face Diameter | 7.312 INCHES NOMINAL IN |
| Raised Face Height | 0.062 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Thickness | 0.938 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 |
|---|---|
| SCH40 A182 316/L PRIMARY | Texas Flange & Fitting Supply Inc (USA) |
| Reference | Meaning |
|---|---|
| S/40A182F316/L | 5/9 Secondary reference Texas Flange & Fitting Supply Inc |
NSN 4730-01-578-8975 is a Flange,pipe, manufactured by Texas Flange & Fitting Supply Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-578-8975 has 1 manufacturer part number on file: SCH40 A182 316/L (Texas Flange & Fitting Supply Inc).
Key specifications for SCH40 A182 316/L: Flange Diameter: 10.000 INCHES NOMINAL IN; Face Seating Surface Condition: GROUND; Nominal Pipe Size for Which Designed: 5.000 INCHES IN; Flange Section Style: RAISED FACE, WELDING NECK. 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.