NAS1790V4R4A

Bolt

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Description:

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

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NAS1790V4R4A Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.354 inches minimum and 0.425 inches maximum
Fastener Length:
0.660 inches minimum and 0.690 inches maximum
Head Style:
Flat countersunk
Head Diameter:
0.111 inches minimum
Grip Diameter:
0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style:
Torque-set ribbed
Thread Diameter:
0.250 inches
Grip Length:
0.240 inches minimum and 0.260 inches maximum
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:
Navy special project
Material:
Titanium alloy uns r56400 overall
Material Specification:
Ams 4928 assn std single material response overall or ams 4967 assn std single material response overall
Surface Treatment:
Aluminum overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1790 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 28
Material Titanium
Length 11/16

Additional Information

SKU / Model: NAS1790V4R4A
NSN: 5305-01-337-4899
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 10 EA
Schedule B: 8108.90.3060
ECCN: EAR99
National Motor Freight: 096640, Screws, Iron Or Steel
Download PDF Version
NAS1790V4R4A_Military-Fasteners-com.pdf
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NAS1790V3R6A

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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.

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Ramona R. is very prompt and professional processing my urgent request! i am very satisfied with the quick turn around. Thank you!

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fantastic customer service. have ordered multiple times for certified hardware. nice website for ordering

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Abby is awesome and very helpful! I can always hear her smile through the phone!

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