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NAS680C3

Two Lug Locknut Plate

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Description

Thread Size: 3/16", Nut Length: 15/16", Nut Height: 1/4"

Specifications

Center To Center Distance Between Mounting Holes Along Length 0.688
Distance From Aperture Center To Mounting Hole Center 0.344
Locking Feature Prevailing torque all metal design
Material Iron
Material Specification Ams 5525 assn std single material response
Mounting Hole Arrangement Style 2 holes
Mounting Hole Diameter 0.098 inches minimum and 0.103 inches maximum
Nut Height 0.250
Nut Length 0.948
Nut Mounting Provision Straight holes
Nut Style Plate
Plate Thickness 0.047
Plate Width 0.328
Precious Material Silver
Specification Data 80205-nas680 professional/industrial association standard
Surface Treatment Silver
Surface Treatment Specification Ams 2410 assn std single treatment response
Temperature Rating 800.0 deg fahrenheit
Thread Class 3b
Thread Direction Right-hand
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series UNF
Thread Size 0.190

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 NAS680C3 — functionally equivalent.

Similar parts

Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.

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