NAS1581F4T9

Close Tolerance Screw

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Description:

Length: 0.965", thread: 1/4-28 shear, flush reduced head bolt, alloy steel offset cruciform

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NAS1581F4T9
NAS1581F4T9
NAS1581F4T9
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NAS1581F4T9 Datasheet Features and Specification

Thread Class:
3a
Surface Treatment Specification:
Class 2 federal specification all treatment responses type 2 qq-p-416
Surface Treatment:
Cadmium and chromate
Specification Data:
80205-nas1581 professional/industrial association standard
Min. Tensile Strength (psi):
160000 pounds per square inch
Material Specification:
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6040 military specification 3rd material response
Material:
Steel
Head Style:
Flat countersunk
Internal Drive Style:
Offset cruciform (torque set)
Grip Length:
Between 0.553 inches and 0.573 inches
Head Diameter:
Between 0.3504 inches and 0.3988 inches
Grip Diameter:
Between 0.2485 inches and 0.2495 inches
Fastener Length:
Between 0.951 inches and 0.981 inches
Countersink Angle:
Between 99.0 degrees and 101.0 degrees
Thread Diameter:
0.250 inches
Thread Direction:
Right-hand
Thread Length:
0.403 inches
Thread Qty Per Inch (tpi):
28
Thread Series Designator:
Unjf (fine thread with external controlled root radius)
Quick Specs
Thread Size 1/4
Thread Qty 28
Thread Series UNJF
Thread Class 3A
Material Steel

Additional Information

SKU / Model: NAS1581F4T9
NSN: 5305-01-438-2265
FSC: Screws / 5305
Product Series: NAS1581F4T
Pack Weight (Approx.) 0.000 lb
Minimum Qty (MOQ): 20
ECCN: EAR99
National Motor Freight: 093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version
NAS1581F4T9_Military-Fasteners-com.pdf
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length: 0.841", thread: 1/4-28 shear 100°, flush reduced head bolt - alloy steel offset cruciform

NAS1581F4T6

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NAS1581F4T5

Length: 0.715in., thread: 1/4-28 shear, flush reduced head bolt, alloy steel offset cruciform

NAS1581F4T4

$0.72 Each, Length: 0.653in., thread: 1/4-28 shear, flush reduced head bolt, alloy steel offset cruciform

NAS1581F4T3

Length: 0.590in., thread: 1/4-28 shear, flush reduced head bolt, alloy steel offset cruciform

Product Image Gallery

Product code NAS1581F4T9
NAS1581F4T9
NAS1581F4T9
NAS1581F4T9

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Order was shipped extremely fast. I dont know how you get these orders shipped as fast as you do. Everything was perfect. Thanks

5.0

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.

5.0

Military Fasteners never fails to have exactly what I am looking for and at a great price as well. Their quick turnaround allows me to have what I order in hand before my deadlines. Would definitely recommend them every time.

5.0

Brittany was attentive to our needs. We had to source some other products you didn't have elsewhere. We would have preferred to place an order a one place. Will come back and order another time.

5.0