NAS1581C4T4

Close Tolerance Screw

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Description:

length: 0.653", thread: 1/2-28, shear, flush reduced head, cadmium plated corrosion resistant steel, offset cruciform, NAS1581 series screw

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Add to Cart Up to qty 560 ships same day if ordered before 4pm EST

NAS1581C4T4 Price:	buy now $3.70 Each
Quantity: Pre-packaged bag qty: 10 ea
* Sold in increments of 10

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NAS1581C4T4 Datasheet Features and Specification

Thread Class:

Thread Direction:

Right-hand

Thread Length:

0.378 inches minimum and 0.428 inches maximum

Fastener Length:

0.638 inches minimum and 0.668 inches maximum

Head Style:

Flat countersunk

Head Diameter:

0.350 inches minimum and 0.399 inches maximum

Grip Diameter:

0.2485 inches minimum and 0.2495 inches maximum

Internal Drive Style:

Offset cruciform (torque set)

Thread Diameter:

0.250 inches

Grip Length:

0.240 inches minimum and 0.260 inches maximum

Thready Qty Per Inch (tpi):

Min. Tensile Strength (psi):

160000 pounds per square inch

Countersink Angle:

99.0 degrees minimum and 101.0 degrees maximum

Surface Finish:

32.0 microinches grip

Surface Finish:

32.0 microinches threads

Material:

Iron alloy 660 overall

Material Specification:

Ams 5731 assn std single material response overall or ams 5732 assn std single material response overall or ams 5737 assn std single material response overall

Surface Treatment:

Passivate overall

Surface Treatment Specification:

Qq-p-35 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	28
Material	Iron
Length	21/32

Additional Information

SKU / Model:	NAS1581C4T4
NSN:	5305-01-074-3845
FSC:	Screws / 5305
Product Series:	NAS1581C
Pack Weight (Approx.)	0.000 lb
Minimum Qty (MOQ):	10
ECCN:	EAR99
National Motor Freight:	093490, Bolt / Nut / Screw / Clips / Fastener / Etc
Download PDF Version NAS1581C4T4_Military-Fasteners-com.pdf

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More NAS1581C close tolerance screws

NAS1581C6T8P

length: 1.094", thread: 3/8-24 shear 100°, flush reduced head bolt - cadmium plated corrosion resistant steel - offset cruciform

NAS1581C5T8P

length: 1.001", thread: 5/16-24 shear 100°, flush reduced head bolt - cadmium plated corrosion resistant steel - offset cruciform"

NAS1581C4T8

length: 0.903", thread: 1/2-28 shear 100°, flush reduced head bolt - cadmium plated corrosion resistant steel - offset cruciform

NAS1581C4T7

Length: 0.841in., thread: 1/2-28 shear, flush reduced head bolt, cadmium plated corrosion resistant steel, offset cruciform

NAS1581C4T6

Length: 0.778in., thread: 1/2-28 shear flush reduced head cadmium plated corrosion resistant steel offset cruciform

NAS1581C4T5

Length: 0.715in., thread: 1/2-28 shear flush reduced head bolt cadmium plated corrosion resistant steel offset cruciform

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Product code NAS1581C4T4

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Military Fasteners did an excellent job fulfilling my most recent order. This superior performance is typical for ACS. My order arrived in excellent condition within just 3 days of placing the order. Well done!

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