The Flange,pipe, cataloged under National Stock Number 4730-00-152-1591, 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 Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-152-1591 |
| Primary Part Number | SL5709-85 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Flange Diameter | 2.500 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Boss Bevel Angle | 45.0 DEGREES NOMINAL |
| Tube Outside Diameter for Which Designed | 1.000 INCHES NOMINAL IN |
| Flange Section Style | PLAIN FACE, BEVELED RAISED NECK |
| Style Designator | ROUND, NO BOLT HOLES |
| Neck Height | 1.750 INCHES NOMINAL IN |
| Bevel Depth | 0.094 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Neck Diameter | 1.562 INCHES NOMINAL IN |
| Thickness | 0.281 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 |
|---|---|
| SL5709-85 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| Reference | Meaning |
|---|---|
| SL5709-85 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-00-152-1591 is a Flange,pipe, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-152-1591 has 1 manufacturer part number on file: SL5709-85 (Curtiss-Wright Electro-Mechanical Corporation Div Epd).
Key specifications for SL5709-85: Flange Diameter: 2.500 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Boss Bevel Angle: 45.0 DEGREES NOMINAL; Tube Outside Diameter for Which Designed: 1.000 INCHES NOMINAL IN. 11 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.