Spec hardware, served at warp speed.

washers › finishing washers

NAS391B8P

Countersunk Finishing Washer

View quote list → Saved parts →

Description

Countersunk Finishing Washer

Specifications

Head Type Countersunk
Hole Diameter 0.187
Industry Standards/Certification NAS391
Material Copper
Material Thickness 0.016 inches minimum and 0.036 inches maximum
NIIN 00-655-7517
NSN 5310-00-655-7517
Outside Diameter 0.521 inches minimum and 0.541 inches maximum
Overall Height 0.092 inches minimum and 0.112 inches maximum
Specification Data 80205-nas391 professional/industrial association standard
Style Designator Finishing
Surface Treatment Chromium or nickel
To Fit Diameter #8
Type Interior Finishing Washer

Other sizes

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

Cross-reference

No interchangeable or dimensionally similar parts are on record for NAS391B8P. Try the cross-reference lookup to search by a different part number.

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