NAS1581A4T4

Name: Close Tolerance Screw
SKU: NAS1581A4T4
Price: 4.40 USD
Availability: InStock

Close Tolerance Screw

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Description:

Fastener Length: 21/32", Thread: 1/4-28, Thread Length: 27/64", NAS1581 series screw

* Manufacturer certifications are shipped with your order FREE of charge

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NAS1581A4T4 Datasheet Features and Specification

Thread Series Designator:

Unjf (fine thread with external controlled root radius)

Thread Length:

Between 0.378 inches and 0.428 inches

Thread Qty Per Inch (tpi):

Thread Direction:

Right-hand

Thread Class:

Thread Diameter:

0.250 inches

Surface Treatment Specification:

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

Surface Finish:

32.0 microinches grip

Surface Treatment:

Cadmium and chromate

Specification Data:

80205-nas1581 professional/industrial association standard

Surface Finish:

32.0 microinches threads

Internal Drive Style:

Offset cruciform (torque set)

Material:

Stee

Min. Tensile Strength (psi):

160000 pounds per square inch

Head Style:

Flat countersunk

Head Diameter:

Between 0.350 inches and 0.399 inches

Hardness Rating:

36.0 rockwell c and 40.0 rockwell c

Grip Length:

Between 0.240 inches and 0.260 inches

Grip Diameter:

Between 0.2485 inches and 0.2495 inches

Countersink Angle:

100.0 degrees

Fastener Length:

Between 0.638 inches and 0.668 inches

Quick Specs

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

Additional Information

SKU / Model:	NAS1581A4T4
NSN:	5305-01-057-3070
FSC:	Screws / 5305
Product Series:	NAS1581A
Pack Weight (Approx.)	0.000 lb
Minimum Qty (MOQ):	10
Schedule B:	7318.15.8085
ECCN:	EAR99
National Motor Freight:	093486, Bolts,nuts Or Screws, Noi (sub 3)
Download PDF Version NAS1581A4T4_Military-Fasteners-com.pdf

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More NAS1581A close tolerance screws

NAS1581A4T5

Fastener Length: 23/32in., Thread: 1/4-28, Thread Length: 3/8in. screw

NAS1581A3T8

5305-01-477-2865 Close Tolerance Screw

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Product code NAS1581A4T4

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