AN4-55A

Aeronautical Standard Machine Bolt

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Description:

length: 5-21/32, grip: 5-3/16", thread: 1/4-28, cadmium plated steel, undrilled shank

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AN4-55A Datasheet Features and Specification

Fastener Length:
Between 5.641 inches and 5.688 inches
Features Provided:
Finished head
Grip Length:
Between 5.172 inches and 5.203 inches
Hardness Rating:
26.0 rockwell c and 32.0 rockwell c
Head Height:
Between 0.140 inches and 0.172 inches
Head Style:
Hexagon
Material:
Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 4130 or steel comp 4037
Min. Tensile Strength (psi):
125000 pounds per square inch
Thread Diameter:
0.250 inches
Surface Treatment:
Cadmium and chromate
Surface Treatment Specification:
Class 3 federal specification single treatment response type 2 qq-p-416
Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
Between 0.438 inches and 0.516 inches
Thread Qty Per Inch (tpi):
28
Thread Series Designator:
Unf (fine thread)
Width Between Flats:
Between 0.428 inches and 0.440 inches
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNF
Thread Class 3A
Material Steel

Additional Information

SKU / Model: AN455A
NSN: 5306-00-151-1095
FSC: Bolts / 5306
Product Series: AN4
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 2
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN4-55A_Military-Fasteners-com.pdf
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