fittings › threaded tube fitting plugs
MS21913J4
Military Standard Threaded Tube Fitting Plug
Description
Plug
Specifications
| Alternate Part Number | MS21913-4J |
|---|---|
| Connection Style | Flareless |
| Head Height | 0.203 |
| Material | Steel |
| Material Specification | 66 federal standard single material response |
| Maximum Operating Pressure | 3000.0 pounds per square inch |
| Media For Which Designed | Hydrocarbon fuel/oil |
| NIIN | 00-053-1919 |
| NSN | 4730-00-053-1919 |
| Overall Length | 0.641 |
| Seat Angle | 12.0 degrees |
| Specification Data | 96906-ms21913 government standard |
| Style Designator | Tube fitting flareless (note: drilled hole is optional should not be considered as a separating characteristic) plug |
| Surface Treatment | Passivate |
| Thread Class | 3a external |
| Thread Direction | Right-hand external |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) external |
| Thread Size | 0.438 inches external |
| Weight | 0.025 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21913J3
- MS21913J4
- MS21913J5
- MS21913J6
- MS21913J8
- MS21913J10
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS21913V4P MS 7/16 in · CRES
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error