OmniSynk Distribution Services

A25020-2

Nut, Self-Locking, Plate

Part number
A25020-2
NSN
5310-00-964-0878
NIIN
00-964-0878
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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Alternate part numbers

Technical characteristics

Thread Class
3B
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Counterbore Diameter
0.229 inches minimum base
Lubrication
Dry film lubricant
Furnished Items
Preformed packing
Overall Height
0.640 inches maximum
Mounting Hole Diameter
0.098 inches minimum and 0.103 inches maximum
Nut Style
Plate
Nut Length
0.989 inches maximum
Nut Height
0.313 inches maximum
Plate Thickness
0.085 inches maximum
Plate Width
0.568 inches maximum
Nut Counterbore Depth
0.125 inches minimum base
Nut Mounting Provision
Straight holes
Mounting Hole Arrangement Style
2 holes
Distance from Aperture Center to Mounting Hole Center
0.344 inches minimum and 0.349 inches maximum
Center to Center Distance Between Mounting Holes along Length
0.686 inches minimum and 0.690 inches maximum
Temp Rating
225.0 deg fahrenheit maximum
Thread Series
UNJF
Features Provided
Floating nut
Thread Quantity per Inch
32
Nominal Thread Size
0.190 inches
Special Features
0.020 in. min radial float, 0.030 in. max axial float; 50.0 psig max rated pressure, black seal
Material
Aluminum alloy washer or steel washer
Material
Rubber butadiene-acrylonitrile class nbr seal
Material
Steel shell
Material
Steel nut
Material Document and Classification
MIL-N-25027 mil spec single material response nut
Material Document and Classification
MIL-N-25027 mil spec single material response shell
Material Document and Classification
MIL-N-25027 mil spec single material response washer
Material Document and Classification
MIL-R-6855, class 1, grade 60 mil spec single material response seal
Surface Treatment
Anodize washer or cadmium washer and chromate washer
Surface Treatment
Cadmium nut and chromate nut
Surface Treatment
Cadmium shell and chromate shell
Special Test Features
Maxminum locking torque 3 times the value stated in MIL-N-25027
Supplementary Features
No qpl shall be establsihed
Test Data Document
80205-NAS 1473 standard (includes industry or association standards, individual manufactureer standards, etc.). and 81349-MIL-N-25027 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.).
Specification/Standard Data
80205-NAS1473 professional/industrial association standard
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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