AN175-21A

Aeronautical Standard Close Tolerance Bolt

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Description:

Fastener Length: 2-1/4", Thread: 1/4-24, Thread Length: 37/64

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AN175-21A Datasheet Features and Specification

Thread Class:

Thread Direction:

Right-hand

Thread Length:

0.499 inches minimum and 0.578 inches maximum

Fastener Length:

2.203 inches minimum and 2.250 inches maximum

Head Style:

Hexagon

Head Height:

0.172 inches minimum and 0.204 inches maximum

Width Between Flats:

0.490 inches minimum and 0.502 inches maximum

Grip Diameter:

0.3112 inches minimum and 0.3117 inches maximum

Thread Diameter:

0.312 inches

Grip Length:

1.672 inches minimum and 1.704 inches maximum

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

125000 pounds per square inch

Hardness Rating:

26.0 rockwell c minimum overall and 32.0 rockwell c maximum overall

Surface Finish:

53.0 microinches grip

Surface Finish:

63.0 microinches bearing surface of head

Material:

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

Surface Treatment:

Cadmium overall and chromate overall

Surface Treatment Specification:

Qq-p-416 ty 2 cl 3 fed spec all treatment responses overall

Thread Series Designator:

Unf

Quick Specs

Thread Size	1/4
Thread Qty	24
Material	Steel
Length	2-1/4

Additional Information

SKU / Model:	AN17521A
NSN:	5306-00-638-8247
FSC:	Bolts / 5306
Product Series:	AN175
Pack Weight (Approx.)	0.067 lb
Minimum Qty (MOQ):	1
Schedule B:	7318.15.8085
ECCN:	9A991
National Motor Freight:	093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version AN175-21A_Military-Fasteners-com.pdf

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More AN175 close tolerance bolts

AN175H7A

Fastener Length: 0-63/64", Hole Diameter: 1/16", Thread: 1/4-24, Thread Length: 37/64"

AN175H5A

Fastener Length: 3/4", Hole Diameter: 1/16", Thread: 1/4-24, Thread Length: 37/64"

AN175H35

Fastener Length: 3-45/64", Hole Diameter: 1/16", Thread: 1/4-24, Thread Length: 21/32"

AN175H24

$8.34 EA, Fastener Length: 2-19/32in., Hole Diameter: 1/16in., Thread: 1/4-24

AN175H22A

$21.00 EA, Fastener Length: 2-11/32in., Hole Diameter: 1/16in., Thread: 1/4-24, Thread Length: 17/32in.

AN175H22

Fastener Length: 2-11/32", Hole Diameter: 1/16", Thread: 1/4-24, Thread Length: 17/32"

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Product code AN175-21A

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AN175-21A Price:	buy now $52.21 Each
Quantity: Pre-packaged bag qty: 1 ea