fittings › tube elbows
MS21907D4
Military Standard Tube Elbow
Description
aluminum alloy tube outside 1/4", elbow, bulkhead universal flareless tube
Specifications
| Connection Style | Flareless (tube) all ends |
|---|---|
| Connection Type | Threaded external tube all ends |
| End Application | Used on chinook helicopter ch-47 |
| Flow Angle | 45.0 degrees |
| Leg Length | 0.688 inches 2nd end, 1.453 inches 1st end |
| Material | Aluminum |
| Material Specification | T6 federal specification single material response t6 federal specification single material response or qq-a-225/6 qq-a-367 |
| Maximum Operating Pressure | 3000.0 pounds per square inch single response |
| Maximum Operating Temp | -65.0 degrees fahrenheit 2nd response, 275.0 degrees fahrenheit 1st response |
| Media For Which Designed | Gaseous 2nd response oxygen, Hydraulic fluid 1st response |
| Outside Diameter Tube Accommodated | 0.250 inches 1st end bulkhead, 0.250 inches all ends |
| Seat Angle | 12.0 degrees all ends |
| Specification Data | 96906-ms21907 government standard |
| Surface Treatment | Anodize |
| Surface Treatment Specification | Class 1 military specification single treatment response type 2 mil-a-8625 |
| Thread Class | 3a 1st end bulkhead, 3a all ends |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) 1st end bulkhead, Unjf (fine thread with external controlled root radius) all ends |
| Thread Size | 0.438 inches 1st end bulkhead, 0.438 inches all ends |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21907D4
- MS21907D6
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21907D4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error