NAS623-4-30

Screw

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Description:

Fastener Length: 2-13/64", Thread: 1/4-28, Thread Length: 21/64"

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NAS623-4-30 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.291 inches minimum and 0.341 inches maximum
Fastener Length:
2.176 inches minimum and 2.206 inches maximum
Head Style:
Pan
Head Diameter:
0.473 inches minimum and 0.492 inches maximum
Head Height:
0.162 inches minimum and 0.175 inches maximum
Internal Drive Style:
Cross recess type 1
Thread Diameter:
0.250 inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum and 40.0 rockwell c maximum
Screw Material:
Steel comp 4140 or steel comp e4340 or steel comp 8740
Screw Material Specification:
Mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment:
Cadmium and chromate
Screw Surface Treatment Specification:
Qq-p-416 ty 2 cl 2 fed spec single treatment response
Thread Series Designator:
Unjf
Specification Data:
80205-nas623 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 2-13/64

Additional Information

SKU / Model: NAS623430
NSN: 5305-00-801-4371
FSC: Screws / 5305
Product Series: NAS623
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10 EA
Schedule B: 7318.15.6080
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS623-4-30_Military-Fasteners-com.pdf
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Trisha Hawkins and her team at Military Fasteners are absolutely incredible. We do a lot of Government and Military work and due to this there are a ton of restrictions with what products we can use. I called Military Fasteners (MF) with an extremely HOT request. Trisha was able to source those part numbers, tell me they were in stock and ready to ship. I ordered these on a Wednesday at 4:00pm. They shipped the same exact Wednesday, we received that weeks Friday, even though we were guaranteed Monday/Tuesday. Trisha - THANK YOU! Trisha's Team - THANK YOU! I will only be ordering my military hardware from you all.

5.0

I am a retired AME/Pilot. I have been restoring a 1946 Globe Swift and have relied on the support and expertise provided by your sales staff. My experience has been very positive. In return, I buy everything I can from Military Fasteners. You are my preferred supplier. Thank you.

5.0

Great service and lead time. Ships to Canada as well.

5.0

Really fast processing of my order and faster than expected shipment and delivery. Really pleased. Thank you.

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