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MS21902D8
1/2 Inch Tube Outer Diameter MS21902 Flareless Tube Union
Description
1/2 Inch Tube Outer Diameter MS21902 Flareless Tube Union
Specifications
| Alternate Part Number | MS21902W8 |
|---|---|
| Connection Style | External seat for gasket seal (boss) all ends |
| Connection Type | Threaded external boss all ends |
| Criticality Code Justification | Feat |
| Dimension M | 1.375 in |
| Industry Standards/Certification | MIL-S-8879 |
| Material | Aluminum |
| Material Specification | T6 federal specification 2nd material response t6 federal specification 1st material response or qq-a-225/4 qq-a-225 |
| Maximum Operating Temp | -65 degrees fahrenheit 2nd response, 225 degrees fahrenheit 1st response |
| Media For Which Designed | Gaseous 2nd response oxygen, Hydraulic fluid 1st response |
| NIIN | 00-529-3763 |
| NSN | 4730-00-529-3763 |
| Nominallength | 1.375 |
| Reference E | 1.000 in |
| Specification Data | 96906-ms21902 government standard |
| Style Designator | Flareless with center wrenching facility |
| Surface Treatment | Anodize |
| Surface Treatment Specification | Class 2 military specification single treatment response type 2 mil-a-8625 |
| Thread Class | 3a all ends |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) all ends |
| Thread Size | 0.750 inches all ends |
| Thread T (Reference) MIL-S-8879 | 0.7500-16 |
| Tube Outside Diameter | 1/2 in |
| Weight | 0.04 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for MS21902D8 — functionally equivalent.
- MS21902W8 Listed alternate 3/4 in · Aluminum
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Catalog data updated 2026-07-05. Report a data error