NAS1578A4T6

Close Tolerance Screw

email this to someone

Description:

length: 0.778", thread: 1/4-28, flat pan head, alloy steel offset cruciform, NAS1578 series screw

* Manufacturer certifications are shipped with your order FREE of charge

Add to Cart Up to qty 550 ships same day if ordered before 4pm EST

NAS1578A4T6 Price:	buy now $2.22 Each
Quantity: Pre-packaged bag qty: 25 ea
* Sold in increments of 25

Add item to quote

NAS1578A4T6 Datasheet Features and Specification

Thread Series Designator:

Unjf (fine thread with external controlled root radius)

Thread Qty Per Inch (tpi):

Thread Length:

Between 0.378 inches and 0.428 inches

Thread Diameter:

0.250 inches

Thread Direction:

Right-hand

Thread Class:

Surface Treatment Specification:

Qq-p-416 ty2 cl2 federal specification single treatment response

Surface Finish:

32.0 microinches bearing surface of head

Surface Treatment:

Cadmium and chromate

Specification Data:

80205-nas1578 professional/industrial association standard

Surface Finish:

32.0 microinches threads

Min. Tensile Strength (psi):

160000 pounds per square inch

Internal Drive Style:

Offset cruciform (torque set)

Material:

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

Head Style:

Pan no. 2

Head Height:

Between 0.140 inches and 0.150 inches

Head Diameter:

Between 0.477 inches and 0.492 inches

Hardness Rating:

36.0 rockwell c and 40.0 rockwell c

Grip Length:

Between 0.367 inches and 0.385 inches

Grip Diameter:

Between 0.2485 inches and 0.2495 inches

Fastener Length:

Between 0.763 inches and 0.793 inches

Quick Specs

Thread Size	1/4
Thread Qty	28
Thread Series	UNJF
Thread Class	3A
Material	Steel

Additional Information

SKU / Model:	NAS1578A4T6
NSN:	5305-01-059-7471
FSC:	Screws / 5305
Product Series:	NAS1578A
Pack Weight (Approx.)	0.431 lb
Minimum Qty (MOQ):	25
ECCN:	EAR99
National Motor Freight:	093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version NAS1578A4T6_Military-Fasteners-com.pdf

* report an issue on this page

More NAS1578A close tolerance screws

NAS1578A4T9

length: 0.965", thread: 1/4-28, flat pan head bolt - alloy steel offset cruciform

NAS1578A3T9

Close tolerance screw 5305-01-092-6074, Length: 0.925in., thread: 10-32, flat pan head bolt - alloy steel offset cruciform

NAS1578A3T8

$2.22 Each, Length: 0.863in., thread: 10-32, flat pan head bolt, alloy steel offset cruciform

NAS1578A3T7

length: 0.801", thread: 10-32, flat pan head bolt - alloy steel offset cruciform"

NAS1578A3T6

$1.32 Each, Length: 0.738in., thread: 10-32, flat pan head alloy steel offset cruciform

NAS1578A3T5

$0.60 Each, Length: 0.675in., thread: 10-32, flat pan head alloy steel offset cruciform

Product Image Gallery

Product code NAS1578A4T6

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

Dennis W.

Fast and affordable shipping for small parts. In Alaska, USPS work well and is affordable for us up here, Thanks

5.0

Silas M.

Military Fasteners is a great resource for Mil-Spec fastener needs, and Amelia Fato provides excellent support! Whenever I have a specific need, Amelia is quick to respond and help!

5.0

Erick R.

Trisha Hawkins is extremely helpful and answered every question I had thoroughly. I appreciate her great help in a stressful situation to obtain hardware ASAP.

5.0

Jeff C.

We were able to find the parts needed at a competitive price. Jasmine Morales was helpful in fulfilling this order.

5.0