Military Standards

Military Standards MS35691-113 Hexagon Plain Nut 1" x 2 1/2" NSN:5310-00-891-3470

Regular price $17.99

Hexagon Plain Nut

NSN: 5310-00-891-3470 | Model: MS35691-113
ITAR Registered seal

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the dimension will be used to determine compliance.)

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Thread Class
Thread Direction
Nut Style
Nut Height
Between 0.929 inches and 1.009 inches
Width Across Flats
Between 2.538 inches and 2.625 inches
Thread Series
Thready Qty Per Inch (tpi)
Hardness Rating
Between 69.0 rockwell b and 32.0 rockwell c
Thread Size
1.750 inches
Bearing Surface Type
Chamfered or washer faced
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Nondefinitive Specification/std Data
2 type and 5 style and b grade

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