Spec hardware, served at warp speed.

washers › flat washers

AN961-4T

Aeronautical Standard Flat Washer

View quote list → Saved parts →

Description

AN 961-4T Flat Washer

Specifications

Finish Tin
Hole Diameter 0.125
Material Brass
Material Specification 1/2 h federal specification 2nd material response 1/2 h federal specification 1st material response or qq-w-321 qq-b-626
Nominal I.D. .125
Nominal O.D. .312
Nondefinitive Specification/Std Data A type and 1 grade and f class and e class
Overall Diameter Between 0.307 inches and 0.332 inches
Screw Size 4
Surface Treatment Tin plated
Surface Treatment Specification type 1 military specification single treatment response mil-t-10727
Thickness 0.032

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.

  • AN960D4 AN #5 · 21/64 in · Aluminum
  • AN960JD4 AN #5 · 21/64 in · Aluminum

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

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