fittings › threaded tube fitting plugs
MS21913-3
Military Standard Threaded Tube Fitting Plug
Description
carbon steel, tube outside 3/16", plug hex head, flareless tube
Specifications
| Connection Style | Flareless |
|---|---|
| Head Height | 0.187 |
| Material | Steel |
| Material Specification | Qq-s-637 fed spec single material response |
| Overall Length | 0.609 |
| Seat Angle | 12.0 degrees |
| Specification Data | 81343 - as21913 professional/industrial association specification |
| Style Designator | Plug, tube fitting flareless (note: drilled hole is optional should not be considered as a separating characteristic) |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 2 fed spec single treatment response |
| Thread Class | 3a external |
| Thread Direction | Right-hand external |
| Thread Series Designator | Unjf external |
| Thread Size | 0.375 inches external |
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 MS21913-3 — functionally equivalent.
- MS21913V3P Listed alternate 3/8 in · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error