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Machine Bolt - AN4-4A

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Aeronautical Standard - Machine Bolt - AN4-4A
Standard Part 

Description: Machine Bolt
Part Number: AN4-4A
Alternate Part Numbers: TK4-4A, 6026-4035-32, S132100-4-4, 7376018, 6628706P8, 6628864P8, 6628936P8, 2010233, 401 307, 401 335, 717124442300, 5306PL0887407, 5306001509105, 130909B33

 

Product Overview:

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

 

Item Specification:

Thread Class

     

3A

Thread Direction

Right-hand

Thread Length

0.438 inches minimum and 0.516 inches maximum

Fastener Length

0.516 inches minimum and 0.562 inches maximum

Head Style

Hexagon

Head Height

0.140 inches minimum and 0.172 inches maximum

Width Between Flats

0.428 inches minimum and 0.440 inches maximum

End Item Identification

B-1 support equipment;sof AIRCRAFT;TF-33 engine;phoenix missile;harpoon MISSILE;TF-56 engine;aircraft, C-2A (reprocured);engine, aircraft, TF-33-P-7

Nominal Thread Diameter

0.250 inches

Grip Length

0.046 inches minimum and 0.078 inches maximum

Features Provided

Finished head

Thread Quantity per Inch

28

Minimum Tensile Strength

125000 pounds per square inch

Hardness Rating

26.0 rockwell C minimum overall and 32.0 rockwell C maximum overall

Material

Steel comp 4140 overall or steel comp 8740 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 4130 overall or steel comp 4037 overall

Material Document and Classification

MIL-S-5626 mil spec 1ST material response overall or MIL-S-6049 mil spec 2ND material response overall or MIL-S-6050 mil spec 3RD material response overall or MIL-S-6098 mil spec 4TH material response overall or MIL-S-6758 mil spec 5TH material response overall or ams 6300 assn std 6TH material response overall

Surface Treatment

Cadmium overall and chromate overall

Surface Treatment Document and Classification

QQ-P--16, TY2, CL3 fed spec all treatment responses overall

Thread Series Designator

UNF

 

 

Fits In:

  1. ·         Bombardier Learjet 55
  2. ·         Bombardier Learjet 60 - all variants
  3. ·         Embraer Legacy 600-650
  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 Beechcraft Premier
  9. ·         Textron Aviation Cessna 500 Citation I-ISP
  10. ·         Textron Aviation Cessna 510 Citation Mustang
  11. ·         Textron Aviation Cessna 525 Citation Citationjet
  12. ·         Textron Aviation Cessna 550 Citation I-II-Bravo
  13. ·         Textron Aviation Cessna 560 Citation V-Ultra-Encore-Excel-XLS
  14. ·         Textron Aviation Cessna 650 Citation III-IV-VI-VII
  15. ·         Textron Aviation Cessna 680 Citation Sovereign
  16. ·         Textron Aviation Cessna 750 Citation X
  17. ·         Textron Aviation Hawker 400-400XP
  18. ·         Textron Aviation Hawker 800XP-850XP
  19. ·         Textron Aviation Hawker 900XP