Spec hardware, served at warp speed.

nuts › self-locking nutplates

MS21059L08K

Military Standard Locking Nutplate Self

View quote list → Saved parts →

Description

Nutplate

Specifications

Alternate Part Number NAS686A08K
Center To Center Distance Between Mounting Holes Along Length Between 0.686 inches and 0.690 inches
Distance From Aperture Center To Mounting Hole Center Between 0.339 inches and 0.349 inches
Features Provided Floating nut
Hardness Rating 49.0 rockwell c
Locking Feature Prevailing torque all metal design
Lubrication Dry film lubricant
Material Steel
Mounting Hole Arrangement Style 2 holes
Mounting Hole Countersink Angle Between 98.0 degrees and 102.0 degrees
Mounting Hole Diameter Between 0.098 inches and 0.103 inches
Mounting Provision Location Opposite nut projection side
NIIN 00-777-5789
NSN 5310-00-777-5789
Nut Height 0.250
Nut Length 0.948
Nut Mounting Provision Countersunk holes
Nut Style Plate
Plate Thickness 0.032
Plate Width Between 0.290 inches and 0.416 inches
Surface Treatment Cadmium
Surface Treatment Specification Cl 3 federal specification single treatment response type 2 qq-p-416
Temperature Rating 450.0 degrees fahrenheit
Thread Class 3b
Thread Direction Right-hand
Thread Qty 32
Thread Qty Per Inch (tpi) 32
Thread Series UNJC
Thread Size 0.164
Weight .005 lb

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