OmniSynk Distribution Services

MS21053L3K

Nut, Self-Locking, Plate

Part number
MS21053L3K
NSN
5310-00-774-7136
NIIN
00-774-7136
Item name
Nut, Self-Locking, Plate
Manufacturer
Harvard Industries Inc.
CAGE code
72962
FSC
5310
Unit of issue
EA
DEMIL code
A

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Technical characteristics

Thread Class
3B
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Lubrication
Dry film lubricant
Mounting Hole Diameter
0.098 inches minimum and 0.103 inches maximum
Nut Style
Plate
Nut Length
1.013 inches maximum
Nut Height
0.281 inches maximum
Plate Thickness
0.047 inches maximum
Plate Width
0.406 inches minimum and 0.453 inches maximum
Nut Mounting Provision
Countersunk holes
Mounting Provision Location
Opposite nut projection side
Mounting Hole Arrangement Style
2 holes
Distance from Aperture Center to Mounting Hole Center
0.339 inches minimum and 0.349 inches maximum
Center to Center Distance Between Mounting Holes along Length
0.310 inches minimum and 0.314 inches maximum
Temp Rating
450.0 deg fahrenheit maximum
Thread Series
UNJF
Thread Quantity per Inch
32
Hardness Rating
49.0 rockwell C maximum
Nominal Thread Size
0.190 inches
Countersink Angle
99.0 degrees minimum nut and 101.0 degrees maximum nut
Mounting Hole Countersink Angle
98.0 degrees minimum and 102.0 degrees maximum
Material
Steel overall
Surface Treatment
Cadmium overall
Surface Treatment Document and Classification
QQ-P-416 fed spec single treatment response overall
Catalogue data is compiled from public DLA/FLIS sources and is provided for identification. Availability, condition and certification are confirmed on quotation. OmniSynk Distribution Services is a stocking distributor.

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