NAS1581C4T6

Close Tolerance Screw

email this to someone

Description:

length: 0.778", thread: 1/2-28, shear, flush reduced head, cadmium plated corrosion resistant steel, offset cruciform, NAS1581 series screw

* Manufacturer certifications are shipped with your order FREE of charge

Add to Cart Up to qty 100 ships same day if ordered before 4pm EST

NAS1581C4T6 Price:	buy now $3.17 Each
Quantity: Pre-packaged bag qty: 20 ea
* Sold in increments of 20

Add item to quote

NAS1581C4T6 Datasheet Features and Specification

Countersink Angle:

100.0 degrees

Fastener Length:

Between 0.763 inches and 0.793 inches

Grip Diameter:

Between 0.2490 inches and 0.2495 inches

Grip Length:

Between 0.365 inches and 0.385 inches

Head Diameter:

Between 0.350 inches and 0.399 inches

Head Style:

Flat countersunk

Internal Drive Style:

Offset cruciform (torque set)

Material:

Iron alloy 660

Material Specification:

Ams 5731 assn standard single material response or ams 5732 assn standard single material response or ams 5737 assn standard single material response

Min. Tensile Strength (psi):

160000 pounds per square inch

Thread Diameter:

0.250 inches

Specification Data:

80205-nas1581 professional/industrial association standard

Surface Finish:

32.0 microinches bearing surface of head

Surface Finish:

32.0 microinches grip

Surface Treatment:

Passivate

Surface Treatment Specification:

Qq-p-35 federal specification single treatment response

Thread Class:

Thread Direction:

Right-hand

Thread Length:

Between 0.378 inches and 0.428 inches

Thread Qty Per Inch (tpi):

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	Iron

Additional Information

SKU / Model:	NAS1581C4T6
NSN:	5305-01-058-3926
FSC:	Screws / 5305
Product Series:	NAS1581C
Pack Weight (Approx.)	0.209 lb
Minimum Qty (MOQ):	20
ECCN:	EAR99
National Motor Freight:	093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version NAS1581C4T6_Military-Fasteners-com.pdf

* report an issue on this page

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

NAS1581C4T5

$2.88 Each, Length: 0.715in., thread: 1/2-28 shear flush reduced head bolt cadmium plated corrosion resistant steel offset cruciform

NAS1581C4T4P

length: 0.653", thread: 1/2-28 shear 100°, flush reduced head bolt - cadmium plated corrosion resistant steel - offset cruciform

Product Image Gallery

Product code NAS1581C4T6

Have a question

If you require a quote on this or any product please visit our quote request page »

Browse our frequently asked questions page.

You may contact us by phone at +1 (904) 543-6395 or email us using our contact form.

Our hours of operation are 8:00am - 6:00pm EST

Customer Reviews

View our Google profile

EFS P.

Experience has been great the whole time, simple and easy website to use, no complaints. Even our rep, Trisha Hawkins, has been nothing but helpful to us. 5/5

5.0

Clyde P.

Fast and courteous and professional service with quality aircraft parts. Thanks.

5.0

Maya P.

Great products have ordered items regularly from this company.

5.0

Jonathan L.

Amelia Fato, excellent customer service. Able to provide quick response on requested quotes.

5.0