Spec hardware, served at warp speed.

nuts › self-locking nutplates

MS21070L4

1/4-28 Thread Size MS21070 Corrosion Resistant Two Lug, Low Height Miniature Nut Plate

View quote list → Saved parts →

Description

1/4-28 Thread Size MS21070 Corrosion Resistant Two Lug, Low Height Miniature Nut Plate

Specifications

Center To Center Distance Between Mounting Holes Along Length Between 0.560 inches and 0.564 inches
Distance From Aperture Center To Mounting Hole Center 0.281
Features Low Height
Hardness Rating 49.0 rockwell c
Industry Standards/Certification MS21070
Locking Feature Prevailing torque all metal design
Lubricant With Dry Film Lubricant
Lubrication Dry film lubricant
Material CRES
Material Specification Ams 5525 assn standard single material response
Maximum Dimension A 0.786 in
Maximum Dimension B 0.414 in
Maximum Dimension J 0.562 in
Maximum Height 0.281 in
Mounting Hole Arrangement Style 2 holes
Mounting Hole Diameter Between 0.098 inches and 0.103 inches
Nut Height 0.281
Nut Length 0.786
Nut Mounting Provision Straight holes
Nut Style Plate
Plate Thickness 0.055
Plate Width Between 0.380 inches and 0.414 inches
Surface Treatment Passivate
Surface Treatment Specification Qq-p-35 federal specification single treatment response
Temperature Rating 450.0 degrees fahrenheit
Thread Class 3b
Thread Direction Right-hand
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Unjf (fine thread with external controlled root radius)
Thread Size 0.250, 1/4-28
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