NAS1790-4R3

Bolt

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Description:

Fastener Length: 39/64", Thread: 1/4-28, Thread Length: 27/64"

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NAS1790-4R3 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.425 inches nominal
Fastener Length:
0.613 inches nominal
Head Style:
Flat countersunk
Head Diameter:
0.464 inches minimum and 0.506 inches maximum
Grip Diameter:
0.189 nominal inches
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.250 inches
Grip Length:
0.188 nominal inches
Thready Qty Per Inch (tpi):
28
Min. Tensile Strength (psi):
160000 pounds per square inch
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency:
Bolt, 100 degree flush head, 160,000 psi uts
Material:
Steel comp 4140 overall or steel comp 4340 overall or steel comp 8740 overall
Surface Treatment:
Cadmium overall
Thread Series Designator:
Unjf
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Steel
Length 39/64

Additional Information

SKU / Model: NAS17904R3
NSN: 5305-01-576-3781
FSC: Screws / 5305
Product Series: NAS1790
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 20 EA
Schedule B: 7318.15.8085
ECCN: EAR99
Download PDF Version
NAS1790-4R3_Military-Fasteners-com.pdf
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NAS1790-5R8

Fastener Length: 63/64", Thread: 1/4-24, Thread Length: 31/64"

NAS1790-5R12

Fastener Length: 25/64in., Hole Diameter: 5/64in., Thread: 5/16-28, Thread Length: 15/32in.

NAS1790-5R11D

Fastener Length: 25/64", Hole Diameter: 5/64", Thread: 5/16-28, Thread Length: 15/32"

NAS1790-4R9

Fastener Length: 63/64", Thread: 1/4-28, Thread Length: 27/64"

NAS1790-4R8

Fastener Length: 11/16", Hole Diameter: 5/64", Thread: 1/4-28, Thread Length: 27/64"

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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.

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I love your website. Can hardly believe how fast & accurate the orders come. Am building a kit plane, need a lot of small hardware and electrical the past few months. There has not been a mistake in the last dozen orders.

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As always, doing business with you is a pleasure!!

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In dealing with Military Fasteners for 3 plus years, I can honestly say Ive never had a bad experience with the company. Please keep up the great work and youll keep me coming back for as long as I am flying.

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