The Elbow,flange, cataloged under National Stock Number 4730-01-406-4709, 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 U S Army Tank Automotive Command Amsta-Im-Mm. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-406-4709 |
| Primary Part Number | 12255486 |
| Item Name | Elbow,flange |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Flange Shape | ROUND ALL ENDS |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Flange Face Design | PLAIN FIRST END |
| Connection Type | FLANGE ALL ENDS |
| Material Document and Classification | MIL-S-4174 MIL SPEC SINGLE MATERIAL RESPONSE ELBOW |
| Material Document and Classification | QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE FLANGE |
| Leg Length | 6.000 INCHES NOMINAL FIRST END IN |
| Leg Length | 4.750 INCHES NOMINAL SECOND END IN |
| Nominal Outside Diameter | 5.750 INCHES FIRST END IN |
| Nominal Outside Diameter | 4.520 INCHES SECOND END IN |
| Surface Treatment | ALUMINUM ELBOW |
| Material | STEEL ELBOW |
| Material | STEEL COMP 321 OR STEEL COMP 347 FLANGE |
| Raised Face Nominal Diameter | 4.118 INCHES SECOND END IN |
| Raised Face Nominal Height | 0.070 INCHES SECOND END IN |
| Nominal Thickness | 0.148 INCHES FIRST END IN |
| Nominal Thickness | 0.266 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 |
|---|---|
| 12255486 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4730-01-406-4709 is a Elbow,flange, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-406-4709 has 1 manufacturer part number on file: 12255486 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12255486: Flange Shape: ROUND ALL ENDS; Flow Angle: 90.0 DEGREES; Flange Face Design: RAISED STRAIGHT SECOND END; Flange Face Design: PLAIN FIRST END. 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.