NAS1581F3R4

Close Tolerance Screw

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Description:

length: 0.613

* Manufacturer certifications are shipped with your order FREE of charge

Add to Cart Up to qty 750 ships same day if ordered before 4pm EST

NAS1581F3R4 Price:	buy now $0.62 Each
Quantity: Pre-packaged bag qty: 50 ea
* Sold in increments of 50

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NAS1581F3R4 Datasheet Features and Specification

Countersink Angle:

Between 99.0 degrees and 101.0 degrees

Fastener Length:

Between 0.598 inches and 0.628 inches

Grip Diameter:

Between 0.1885 inches and 0.1895 inches

Grip Length:

Between 0.240 inches and 0.260 inches

Hardness Rating:

36.0 rockwell c and 40.0 rockwell c

Head Diameter:

Between 0.258 inches and 0.305 inches

Head Style:

Flat countersunk

Internal Drive Style:

Offset cruciform (torque set)

Material:

Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150

Min. Tensile Strength (psi):

160000 pounds per square inch

Thread Diameter:

0.190 inches

Specification Data:

80205-nas1581 professional/industrial association standard

Surface Finish:

32.0 microinches grip

Surface Finish:

32.0 microinches threads

Surface Treatment:

Cadmium and chromate

Surface Treatment Specification:

Cl 2 federal specification single treatment response type 2 qq-p-416

Thread Class:

Thread Direction:

Right-hand

Thread Length:

Between 0.338 inches and 0.388 inches

Thread Qty Per Inch (tpi):

Thread Series Designator:

Unjf (fine thread with external controlled root radius)

Quick Specs

Thread Size	10
Thread Qty	32
Thread Series	UNJF
Thread Class	3A
Material	Steel
Length	5/8

Additional Information

SKU / Model:	NAS1581F3R4
NSN:	5305-01-176-7383
FSC:	Screws / 5305
Product Series:	NAS1581F
Pack Weight (Approx.)	0.221 lb
Minimum Qty (MOQ):	50
ECCN:	EAR99
National Motor Freight:	093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version NAS1581F3R4_Military-Fasteners-com.pdf

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More NAS1581F close tolerance screws

NAS1581F4T9

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

NAS1581F4T8

length: 0.903", thread: 1/4-28 shear 100°, flush reduced head bolt - alloy steel offset cruciform

NAS1581F4T7

length: 0.841", thread: 1/4-28 shear 100°, flush reduced head bolt - alloy steel offset cruciform

NAS1581F4T6

Length: 0.778in., thread: 1/4-28 shear, flush reduced head bolt, alloy steel offset cruciform

NAS1581F4T5

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

NAS1581F4T4

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

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Product code NAS1581F3R4

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Small order but all was in stock, sales rep was very friendly and made it a pleasure. Shipped and received quicker than expected.

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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.

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10/10 service! My go to for all things mil spec hardware. Their customer service team is superb! Trisha had a quote back to us in a matter on minutes. Love working with Military Fasteners

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Bethany O.

The products sent allowed the repair to be completed in a timely manner. Thank you for Military Fasteners being there and having parts available to allow our vintage aircraft to continue flight.

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