5305-01-190-4570

Find complete technical information, availability, and procurement data for: 5305-01-190-4570
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-190-4570

Item Name Code

06660

Assigment Date

09/27/1984 (41 years ago)

0.230 inches minimum and 0.312 inches maximum thread length, pan head style, right-hand thread direction, 0.280 inches minimum and 0.312 inches maximum fastener length, 3a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.230 inches minimum and 0.312 inches maximum
Fastener Length: 0.280 inches minimum and 0.312 inches maximum
Head Style: pan
Head Diameter: 0.205 inches minimum and 0.219 inches maximum
Head Height: 0.078 inches minimum and 0.080 inches maximum
Washer Quantity: 2
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 55000 pounds per square inch
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum secondary washer
Secondary Washer Relationship To Primary Washer: not identical
Secondary Washer Style: flat
Primary Washer Outside Diameter: 0.172 inches nominal
Secondary Washer Outside Diameter: 0.213 inches minimum and 0.223 inches maximum
Primary Washer Style: split helical ring
Primary Washer Material Thickness: 0.025 inches nominal
Secondary Washer Material Thickness: 0.013 inches minimum and 0.019 inches maximum
Material Document And Classification: 66 fed std all material responses secondary washer
Material Document And Classification: qq-s-633 fed spec single material response fastener
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unc
Specification/Standard Data: 80205-nas1301 professional/industrial association standard

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
NAS1301-4-5	Assembled Washer Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-190-4570?

The FSCG of the NSN 5305-01-190-4570 is 5305

Does NSN 5305-01-190-4570 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-190-4570 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-190-4570 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-190-4570 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Sep 27, 1984