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

Barnabas P.

Products are military grade MIL-SPEC as advertised. I was able to locate #10 locking counter-sunk nutplates when ALL other locations, including Aircraft-Spruce, could not supply.

5.0

Celia R.

Great service good price although very expensive!

5.0

Brycen B.

Well I used Military Fasteners for this order because they are close to me in florida.

4.0

Kiara H.

Buying parts from Military Fasteners couldnt be easier. If I need special help I make a phone call. I can usually do it all online and get super fast service.

4.0