AN178-26

Aeronautical Standard Close Tolerance Bolt

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Description:

length: 2-27/32", grip: 2-1/16", thread: 1/2-20, cadmium plated steel, drilled shank

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AN178-26 Datasheet Features and Specification

Thread Series Designator:

Unf (fine thread)

Thread Length:

0.782 inches

Thread Qty Per Inch (tpi):

Thread Direction:

Right-hand

Thread Class:

Thread Diameter:

0.500 inches

Min. Tensile Strength (psi):

125000 pounds per square inch

Shank Unthreaded Hole Diameter:

0.106 inches first hole

Surface Finish:

63.0 microinches grip

Surface Finish:

63.0 microinches surface of head

Surface Treatment:

Cadmium and chromate

Surface Treatment Specification:

Class 3 federal specification all treatment responses type 2 qq-p-416

Material:

Steel comp

Material Specification:

Mil-s-6049 military specification 1st material response or mil-s-6050 military specification 2nd material response or mil-s-6098 military specification 3rd material response or mil-s-5626 military specification 4th material response or mil-s-6758 military specification 5th material response or ams 6300 assn standard 6th material response

Head Style:

Hexagon

Head Height:

Between 0.265 inches and 0.297 inches

Hardness Rating:

26.0 rockwell c and 32.0 rockwell c

Grip Length:

2.062 inches

Grip Diameter:

Between 0.4986 inches and 0.4991 inches

Fastener Length:

2.844 inches

Distance From Head Largest Surface To Shank Hole Center:

2.671 inches first hole

Width Between Flats:

Between 0.740 inches and 0.752 inches

Quick Specs

Thread Size	1/2
Thread Qty	20
Thread Series	UNF
Thread Class	3A
Material	Steel

Additional Information

SKU / Model:	AN17826
NSN:	5306-00-180-0328
FSC:	Bolts / 5306
Product Series:	AN178
Pack Weight (Approx.)	0.195 lb
Minimum Qty (MOQ):	1
ECCN:	EAR99
National Motor Freight:	093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version AN178-26_Military-Fasteners-com.pdf

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More AN178 close tolerance bolts

AN178H27

Fastener Length: 2-63/64in., Hole Diameter: 1/16in., Thread: 1/2-20, Thread Length: 53/64in.

AN178H24

Fastener Length: 2-19/32", Hole Diameter: 1/16", Thread: 1/2-20, Thread Length: 25/32"

AN178-55

Fastener Length: 5-3/4", Thread: 1/2-20, Thread Length: 53/64"

AN178-40

Fastener Length: 4-3/32in., Thread: 1/2-20, Thread Length: 25/32in.

AN178-22A

$16.20 Each, Length: 2-11/32in., grip: 1-9/16in., thread: 1/2-20, cadmium plated steel undrilled shank

AN178-11

Fastener Length: 1-1/4", Thread: 1/2-20, Thread Length: 53/64"

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Product code AN178-26

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AN178-26 Price:	buy now $56.75 Each
Quantity: Pre-packaged bag qty: 1 ea