Spec hardware, served at warp speed.

fittings › threaded tube fitting plugs

AN806-4D

Aeronautical Standard Threaded Tube Fitting Plug

View quote list → Saved parts →

Description

Threaded Tube Fitting Plug

Specifications

Connection Style Flared
Dash No. Alum 4D
Dash No. Steel 4
Head Height 0.184
Material Steel
Overall Length 0.734
Style Designator Plug, tube fitting flared (note: drilled hole is optional should not be considered as a separating characteristic, Plug, tube fitting flared (note: drilled hole is optional, should not be considered as a separating characteristic)
Surface Treatment Zinc
Thread Class 3a external
Thread Direction Right-hand external
Thread Series Designator Unf external
Thread Size 0.438 inches external, 7/16-20
Tube O.D. 1/4

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

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.

Looking for a specific part? Use the cross-reference lookup.

Catalog data updated 2026-07-05. Report a data error