5305-00-820-4531

Find complete technical information, availability, and procurement data for: 5305-00-820-4531
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-820-4531

Item Name Code

01852

Assigment Date

09/01/1971 (54 years ago)

right-hand thread direction, 0.430 inches minimum thread length, 0.870 inches nominal fastener length, 2a thread class, knurled no. 4 head style

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: 0.430 inches minimum
Fastener Length: 0.870 inches nominal
Head Style: knurled no. 4
Head Diameter: 0.557 inches minimum and 0.570 inches maximum
Head Height: 0.440 inches nominal
First Diameter From Head: 0.295 inches minimum and 0.306 inches maximum
Second Diameter From Head: 0.177 inches minimum and 0.185 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.060 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 0.440 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Externally Relieved Body Diameter Quantity: 2
Material: steel comp 303 overall
Material Document And Classification: qq-s-764,cond a fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: 171,finish no. 5.4.1 mil std single 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
9023798-2	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-00-820-4531?

The FSCG of the NSN 5305-00-820-4531 is 5305

Does the NSN 5305-00-820-4531 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-820-4531 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 5305-00-820-4531 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-820-4531 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 5305-00-820-4531 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Sep 1, 1971