NAS1621-4

Screw

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Description:

Fastener Length: 17/32", Thread: 6-32, Thread Length: 19/64"

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NAS1621-4 Datasheet Features and Specification

Thread Class:
2a
Thread Direction:
Right-hand
Thread Length:
0.251 inches minimum and 0.301 inches maximum
Fastener Length:
0.511 inches minimum and 0.541 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.231 inches minimum and 0.279 inches maximum
Internal Drive Style:
Torque set
Thread Diameter:
0.138 inches
Thready Qty Per Inch (tpi):
32
Min. Tensile Strength (psi):
160000 pounds per square inch
Hardness Rating:
36.0 rockwell c minimum and 40.0 rockwell c maximum
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Screw Material:
Steel comp e4340 or steel comp 4037
Screw Material Specification:
Mil-s-5000 mil spec 1st material response or ams 6300 assn std 2nd material response
Screw Surface Treatment:
Cadmium and chromate
Screw Surface Treatment Specification:
Qq-p-416 ty 2 cl 3 fed spec all treatment responses
Thread Series Designator:
Unjc
Quick Specs
Thread Size 6
Thread Qty 32
Material Steel
Length 17/32

Additional Information

SKU / Model: NAS16214
NSN: 5305-00-454-1209
FSC: Screws / 5305
Product Series: NAS1621
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.6080
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1621-4_Military-Fasteners-com.pdf
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More NAS1621 machine screws

NAS1621-8

Fastener Length: 25/32", Thread: 6-32, Thread Length: 19/64"

NAS1621-6

Fastener Length: 21/32in., Thread: 6-32, Thread Length: 19/64in.

NAS1621-11

Fastener Length: 31/32", Thread: 6-32, Thread Length: 19/64"

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Great Vendor. They worked with us, A+, 100%! Will do business in future. :)

5.0

Excellent service and speedy delivery to Australia. Military Fasteners is our preferred supplier from the USA.

5.0

Alternator was in stock, shipped same day, arrived quickly (even though I chose standard shipping during the height of the Christmas rush), packed well and at a good price. Well done, Military Fasteners, well done!

4.0

I placed this order late at 4:15 over the phone, 15 minutes past the cut off time.(Which rarely happens) It was critical for us to get the sparkplugs as a customer had called me and scheduled to bring his plane in the next day to have all his plugs replaced. My sales agent said she would personally go and pull the product so it would ship that day, and she did what she said. She saved me the embarrassment of telling my customer I forgot to order his parts on time and making him reschedule a maintenance visit. I am thankful you have people like her who really care about the customer and want to put in the extra effort for customer service. In my aircraft maintenance business I purchase everything I can first from Military Fasteners before I go looking for other venders. I use Military Fasteners because of the great customer service, free shipping (which is one day ground), large selection on hardware and materials, and competitive prices. I am a loyal customer and I order 2-3+ times a week. Thank you for the great service that your people provide at Military Fasteners.

5.0