The Elbow,flange to Pipe, cataloged under National Stock Number 4730-00-481-2494, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-481-2494 |
| Primary Part Number | 65A81C217 |
| Item Name | Elbow,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 3.000 INCHES FIRST END IN |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Bolt Circle Nominal Diameter | 5.219 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | UNTHREADED EXTERNAL PIPE FIRST END |
| Bolt Hole Nominal Diameter | 0.344 INCHES SECOND END IN |
| Leg Length | 5.000 INCHES NOMINAL SECOND END IN |
| Leg Length | 5.500 INCHES NOMINAL FIRST END IN |
| Nominal Outside Diameter | 6.000 INCHES SECOND END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Surface Treatment | PAINT OUTSIDE |
| Material | STEEL OVERALL |
| Nominal Thickness | 0.250 INCHES SECOND END 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 |
|---|---|
| 65A81C217 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 65A81C217 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-00-481-2494 is a Elbow,flange to Pipe, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-481-2494 has 1 manufacturer part number on file: 65A81C217 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 65A81C217: Flange Shape: ROUND WITH HOLES SECOND END; Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 3.000 INCHES FIRST END IN; Flange Face Design: PLAIN SECOND END. 16 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.