The Elbow,flange to Hose, cataloged under National Stock Number 4730-01-042-7748, 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 20 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 | 4730-01-042-7748 |
| Primary Part Number | 12257187 |
| Item Name | Elbow,flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | PLAIN FIRST END |
| Surface Treatment Document and Classification | MIL-A-6825 MIL SPEC 1ST TREATMENT RESPONSE AND TT-P-1757 FED SPEC 2ND TREATMENT RESPONSE AND TT-E-489 FED SPEC 3RD TREATMENT RESPONSE ELBOW |
| Surface Treatment Document and Classification | MIL-A-6825 MIL SPEC 1ST TREATMENT RESPONSE AND TT-P-1757 FED SPEC 2ND TREATMENT RESPONSE AND TT-E-489 FED SPEC 3RD TREATMENT RESPONSE TUBE |
| Nominal Inside Diameter Hose Accommodated | 1.000 INCHES SECOND END IN |
| Material Document and Classification | UNABLE TO DECODE |
| Material Document and Classification | QQ-A-601 FED SPEC 1ST MATERIAL RESPONSE ELBOW |
| Material Document and Classification | WW-T-700/6 FED SPEC 2ND MATERIAL RESPONSE TUBE |
| Material Document and Classification | WW-T-700/6 FED SPEC 2ND MATERIAL RESPONSE TUBEUNABLE TO DECODE |
| Bolt Hole Nominal Diameter | 0.220 INCHES FIRST END IN |
| Operating Pressure | 7.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.750 INCHES FIRST END IN |
| Surface Treatment | ANODIZE AND PRIMER AND ENAMEL ELBOW |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 2.000 INCHES FIRST END IN |
| Media for Which Designed | UNABLE TO DECODE |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Unable to Decode | UNABLE TO DECODE |
| Material | ALUMINUM ALLOY ELBOW |
| Material | ALUMINUM ALLOY 6061 TUBE |
| Nominal Thickness | 0.250 INCHES FIRST 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 |
|---|---|
| 12257187 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4730-01-042-7748 is a Elbow,flange to Hose, 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 4730-01-042-7748 has 1 manufacturer part number on file: 12257187 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12257187: Flow Angle: 90.0 DEGREES; Flange Face Design: PLAIN FIRST END; Surface Treatment Document and Classification: MIL-A-6825 MIL SPEC 1ST TREATMENT RESPONSE AND TT-P-1757 FED SPEC 2ND TREATMENT RESPONSE AND TT-E-489 FED SPEC 3RD TREATMENT RESPONSE ELBOW; Surface Treatment Document and Classification: MIL-A-6825 MIL SPEC 1ST TREATMENT RESPONSE AND TT-P-1757 FED SPEC 2ND TREATMENT RESPONSE AND TT-E-489 FED SPEC 3RD TREATMENT RESPONSE TUBE. 20 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.