NK525-8R14

View detailed technical data, stock status, and sourcing information for: NK525-8R14
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-808-0203

Item Name Code

16282

Assigment Date

01/01/1962 (64 years ago)

0.875 inches nominal fastener length, round extended washer head style, 0.406 inches minimum thread length, 3a thread class, right-hand thread direction

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: 0.406 inches minimum
Fastener Length: 0.875 inches nominal
Head Style: round extended washer
Head Diameter: 0.312 inches nominal
Head Height: 0.087 inches nominal
Extended Washer Diameter: 0.375 inches nominal
Extended Washer Thickness: 0.023 inches nominal
Locking Feature: pellet threads
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 36
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Material: steel overall
Surface Treatment: cadmium overall
Thread Series Designator: unf

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
NK525-8R14	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-808-0203?

The FSCG of the NSN 5305-00-808-0203 is 5305

Does the NSN 5305-00-808-0203 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-808-0203 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 5305-00-808-0203 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-808-0203 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 5305-00-808-0203 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962