AN4-21

Aeronautical Standard Machine Bolt

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Description:

length: 2-5/32", grip: 1-11/16", thread: 1/4-28, cadmium plated steel, drilled shank, airframe, AN4 series bolt

* Manufacturer certifications are shipped with your order FREE of charge
AN4-21
AN4-21
AN4-21
AN4-21
AN4-21
AN4-21
Add to Cart Up to qty 350 ships same day if ordered before 4pm EST
AN4-21 Price:
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$1.06 Each
Quantity:
Pre-packaged bag qty: 25 ea
* Sold in increments of 25
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AN4-21 Datasheet Features and Specification

Distance From Head Largest Bearing Surface To Shank Hole Center:
1.984 inches first hole and 2.016 inches first hole
Fastener Length:
Between 2.141 inches and 2.188 inches
Features Provided:
Finished head
Grip Length:
Between 1.672 inches and 1.703 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 8735 or steel comp 4130 or steel comp 4037
Material Specification:
Mil-s-5626 military specification 1st material response or mil-s-6049 military specification 2nd material response or mil-s-6050 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6758 military specification 5th material response or ams 6300 assn standard 6th material response
Min. Tensile Strength (psi):
125000 pounds per square inch
Thread Diameter:
0.250 inches
Shank Unthreaded Hole Diameter:
0.076 inches first hole and 0.086 inches first hole
Surface Treatment:
Cadmium and chromate
Surface Treatment Specification:
Qq-p-416 type 2 cl 3 federal specification all treatment responses
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: AN421
NSN: 5306-00-151-1004
FSC: Bolts / 5306
Product Series: AN4
Pack Weight (Approx.) 0.869 lb
Minimum Qty (MOQ): 25
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
AN4-21_Military-Fasteners-com.pdf
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More AN4 machine bolts

AN4H7A

$1.02 Each, airframe bolt 1/4-28 Thread, 7/16in. Grip, 29/32in. Length drilled head undrilled shank

AN4H7

Length: 29/32in., grip: 7/16in., thread: 1/4-28, cadmium plated steel drilled shank, drilled head

AN4H6A

Length: 25/32in., grip: 5/16in., thread: 1/4-28, cadmium plated steel undrilled shank drilled head

AN4H66A

Fastener Length: 6-13/16", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 33/64"

AN4H60A

Fastener Length: 6-", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 15/32"

AN4H6

$1.50 Each, Length: 25/32in., grip: 5/16in., thread: 1/4-28, cadmium plated steel drilled shank drilled head

Product Image Gallery

Product code AN4-21
AN4-21
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