NAS623-4-21

Machine Screw

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Description:

Fastener Length: 1-41/64", Thread: 1/4-28, Thread Length: 21/64

* Manufacturer certifications are shipped with your order FREE of charge

Add to Cart Up to qty 100 ships same day if ordered before 4pm EST

NAS623-4-21 Price:	buy now $1.85 Each
Quantity: Pre-packaged bag qty: 25 ea
* Sold in increments of 25

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NAS623-4-21 Datasheet Features and Specification

Fastener Length:

Between 1.613 inches and 1.643 inches

Hardness Rating:

Between 36.0 rockwell c and 40.0 rockwell c

Head Diameter:

Between 0.473 inches and 0.492 inches

Head Height:

Between 0.162 inches and 0.175 inches

Head Style:

Pan no. 2

Internal Drive Style:

Cross recess type 1

Min. Tensile Strength (psi):

160000 pounds per square inch

Thread Diameter:

0.250 inches

Screw Material:

Steel comp 4140 or steel comp e4340 or steel comp 8740

Screw Material Specification:

Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6049 military specification 3rd material response

Screw Surface Treatment:

Cadmium and chromate

Screw Surface Treatment Specification:

Qq-p-416 type 2 cl 2 federal specification single treatment response

Specification Data:

80205-nas623 professional/industrial association standard

Thread Class:

Thread Direction:

Right-hand

Thread Length:

Between 0.291 inches and 0.341 inches

Thread Qty Per Inch (tpi):

Thread Series Designator:

Unjf (fine thread with external controlled root radius)

Quick Specs

Thread Size	1/4
Thread Qty	28
Thread Series	UNJF
Thread Class	3A
Material	Steel

Additional Information

SKU / Model:	NAS623421
NSN:	5305-00-878-9472
FSC:	Screws / 5305
Product Series:	NAS623
Pack Weight (Approx.)	0.698 lb
Minimum Qty (MOQ):	25
Schedule B:	7318.15.6080
ECCN:	EAR99
National Motor Freight:	093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version NAS623-4-21_Military-Fasteners-com.pdf

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Product code NAS623-4-21

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