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Plain Hexagon Nut - AN315-4R

Plain Hexagon Nut - AN315-4R

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Aeronautical Standard - Plain Hexagon Nut - AN315-4R
Standard Part

Description: Plain Hexagon Nut
Part Number: AN315-4R
Alternate Part Numbers: 404-225, 938-03-27-106, AN315-4, FF-N-836, 1159, 938.03.27.106, 404 225, 278-156, 20296, 802131-00, 982737, A63-48, A1942, 5W1268FA22, N521

 

Product Overview:

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.)

 

Item Specification:

Thread Class

3B

Thread Direction

     

Right-hand

Nut Style

Hexagon

Nut Height

0.172 inches minimum and 0.204 inches maximum

End Item Identification

Armored multi-purpose vehicle (ampv)

Width Across Flats

0.428 inches minimum and 0.440 inches maximum

Thread Series

UNF

Thread Quantity per Inch

28

Nominal Thread Size

0.250 inches

Bearing Surface Type

Chamfered or washer faced

Bearing Surface Finish

125.0 microinches

Material

Steel overall

Surface Treatment

Cadmium overall

Surface Treatment Document and Classification

QQ-P-416, ty 2, cl 3 fed spec single treatment response overall

 

 

Fits In:

  1. ·         Bombardier Learjet 40
  2. ·         Bombardier Learjet 45
  3. ·         Bombardier Learjet 55
  4. ·         Textron Aviation Beechcraft King Air 100 - all variants
  5. ·         Textron Aviation Beechcraft King Air 200 - all variants
  6. ·         Textron Aviation Beechcraft King Air 300 - all variants
  7. ·         Textron Aviation Beechcraft King Air 90 - all variants
  8. ·         Textron Aviation Cessna 500 Citation I-ISP
  9. ·         Textron Aviation Cessna 525 Citation Citationjet
  10. ·         Textron Aviation Cessna 550 Citation I-II-Bravo
  11. ·         Textron Aviation Cessna 560 Citation V-Ultra-Encore-Excel-XLS
  12. ·         Textron Aviation Cessna 650 Citation III-IV-VI-VII
  13. ·         Textron Aviation Cessna 750 Citation X
  14. ·         Textron Aviation Hawker 400-400XP
  15. ·         Textron Aviation Hawker 800XP-850XP
  16. ·         Textron Aviation Hawker 900XP