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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I have been a customer since Fullerton Air Parts (Flo Irwin). That should speak volumes of the service I have received from Military Fasteners. In the early days, I had a variety of planes and was based out of Orange County Airport. At the time, the airport was surrounded by bean fields. I, and some of my friends, would frequently fly into Fullerton airport for lunch, the pick up whatever supplies we needed from Flo. She was a great lady, and I am glad that she passed on such a wonderful legacy. I am certain that she would be very proud of what she started, and proud of you all for building on her meager beginnings.

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I have been doing business with Military Fasteners for a number of years. Every Time I have needed a question answered in finding something for my projects Military Fasteners has always been there. The people I talk to are helpful and knowledgeable concerning all the vintage planes I have called looking for a special item needed. Thank you for being YOU!

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Trisha Hawkins was extremely helpful and professional. Got my order quoted and processed in under 5 mins.

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I've probably had over 50 separate orders over the past. Every one was delivered promptly and was correct.

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