5305-00-285-1386

Find complete technical information, availability, and procurement data for: 5305-00-285-1386
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-285-1386

Item Name Code

06660

Assigment Date

01/01/1963 (63 years ago)

flat countersunk head style, 0.500 inches nominal fastener length, right-hand thread direction, 0.361 inches minimum and 0.480 inches maximum thread length, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 0.361 inches minimum and 0.480 inches maximum
Fastener Length: 0.500 inches nominal
Head Style: flat countersunk
Head Diameter: 0.359 inches minimum and 0.385 inches maximum
Washer Quantity: 1
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 24
Hardness Rating: 40.0 rockwell c minimum and 50.0 rockwell c maximum primary washer
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Primary Washer Outside Diameter: 0.395 inches minimum and 0.410 inches maximum
Primary Washer Style: flat external teeth
Primary Washer Material Thickness: 0.020 inches minimum and 0.025 inches maximum
Material: steel comp 1010 or steel comp 1011 or steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1050 or steel comp 1551 or steel comp 1552 or steel comp 1053 or steel comp 1055 or steel comp 1060 or steel comp 1561 or steel comp 1566 overall
Material Document And Classification: sae assn std all material responses overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec 1st treatment response or qq-z-325,ty 1,cl 3 fed spec 2nd treatment response overall
Thread Series Designator: unc

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
191981	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-285-1386?

The FSCG of the NSN 5305-00-285-1386 is 5305

Does the NSN 5305-00-285-1386 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-285-1386 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 5305-00-285-1386 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-285-1386 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 5305-00-285-1386 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963