NAS1581F5T18

Bolt

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Description:

Fastener Length: 1-41/64", Thread: 1/4-24, Thread Length: 1/2"

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NAS1581F5T18 Datasheet Features and Specification

Thread Class:
3a
Thread Direction:
Right-hand
Thread Length:
0.491 inches minimum and 0.511 inches maximum
Fastener Length:
1.611 inches minimum and 1.641 inches maximum
Head Style:
Flat countersunk undercut
Head Diameter:
0.429 inches minimum and 0.479 inches maximum
Head Height:
0.070 inches nominal
Grip Diameter:
0.311 inches minimum and 0.312 inches maximum
Internal Drive Style:
Offset cruciform (torque set)
Thread Diameter:
0.312 inches
Grip Length:
1.115 inches minimum and 1.135 inches maximum
Thready Qty Per Inch (tpi):
24
Countersink Angle:
99.0 degrees minimum and 101.0 degrees maximum
Material:
Steel overall
Surface Treatment:
Cadmium overall
Surface Treatment Specification:
Qq-p-416,ty ii,cl 3 fed spec single treatment response overall
Thread Series Designator:
Unjf
Specification Data:
80205-nas1581 professional/industrial association standard
Quick Specs
Thread Size 1/4
Thread Qty 24
Material Steel
Length 1-41/64

Additional Information

SKU / Model: NAS1581F5T18
NSN: 5305-01-318-5301
FSC: Screws / 5305
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 5 EA
Schedule B: 7318.15.8085
ECCN: 9A991
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1581F5T18_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.

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I called in a hot order that was needed next day. It was already mid afternoon and i had already skipped the deadline for shipments that day. I spoke with Trisha, and she went out of her way to place my order and get it pulled and shipped same day. Thank you Trisha, you are the best.

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I recently requested a quote and placed an order with Kristen Belmont. Kristen was incredibly helpful, prompt, and informative, addressing all of my inquiries and requests efficiently. I am extremely grateful to have had Kristen's assistance.

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