03A520-4-16C

View detailed technical data, stock status, and sourcing information for: 03A520-4-16C
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-571-6520

Item Name Code

06657

Assigment Date

02/12/2009 (17 years ago)

0.498 inches nominal thread length, 1.498 inches nominal fastener length, 3a thread class, flat countersunk head style, 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: 0.498 inches nominal
Fastener Length: 1.498 inches nominal
Head Style: flat countersunk
Head Diameter: 0.449 inches minimum and 0.507 inches maximum
Internal Drive Style: torx
End Item Identification: b-2 bomber
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Countersink Angle: 100.0 degrees nominal
Screw Material: cobalt comp mp-35-n
Screw Material Document And Classification: ams5598 assn std all material responses
Thread Series Designator: unjf

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
03A520-4-16C	Machine Screw
CB9351-4-16C	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-571-6520?

The FSCG of the NSN 5305-01-571-6520 is 5305

Does the NSN 5305-01-571-6520 have a Schedule B code assigned?

Yes, the Schedule B code is 8105900000

Does NSN 5305-01-571-6520 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 5305-01-571-6520 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-571-6520 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 5305-01-571-6520 was assigned to the Federal Catalog?

It was assigned 17 years ago, on Thu, Feb 12, 2009