Hexagon Castellated Plain Nut

Model / MPN: TP18389 | NSN: 5310-00-207-6565

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.

Product Details

NATO Stock Number

5310-00-207-6565

Sold in multiples of

1 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Nut Style

Castellated, hexagon

Nut Height

Between 0.320 inches and 0.336 inches

Width Across Flats

Between 0.489 inches and 0.500 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.312 inches

Countersink Angle

85.0 degrees nut and 95.0 degrees nut

Bearing Surface Type

Washer faced

Material

Steel or steel comp 1117

Material Specification

Mil-s-16124 class 1 comp a military specification 1st material response or aisi assn standard 2nd material response

Surface Treatment

Cadmium or zinc

Surface Treatment Specification

Qq-p-416 type 2 cl 1 federal specification 1st treatment response or qq-z-325 type 1 cl 2 federal specification 2nd treatment response

TP183 Series Parts

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Hexagon Castellated Plain Nut

Pricing and Availability

Certified Quality Assurance

TP18389 Cross Reference