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

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Add to Cart Up to qty 325 ships same day if ordered before 4pm EST

AN4-21 Price:	buy now $1.11 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:

Thread Direction:

Right-hand

Thread Length:

Between 0.438 inches and 0.516 inches

Thread Qty Per Inch (tpi):

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

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Product code AN4-21

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