5305-01-571-6520

Find complete technical information, availability, and procurement data for: 5305-01-571-6520
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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)

3a thread class, flat countersunk head style, right-hand thread direction, 1.498 inches nominal fastener length, 0.498 inches nominal thread length

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