NAS1580A4T6X

View detailed technical data, stock status, and sourcing information for: NAS1580A4T6X
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-410-8576

Item Name Code

29294

Assigment Date

03/14/1995 (31 years ago)

0.403 inches nominal thread length, 0.763 inches minimum and 0.793 inches maximum fastener length, flat countersunk head style, right-hand thread direction, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.403 inches nominal
Fastener Length: 0.763 inches minimum and 0.793 inches maximum
Head Style: flat countersunk
Head Diameter: 0.464 inches minimum and 0.507 inches maximum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.2500 inches
Grip Length: 0.428 inches minimum and 0.448 inches maximum
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel overall
Surface Treatment: cadmium overall
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
NAS1580A4T6X	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-410-8576?

The FSCG of the NSN 5305-01-410-8576 is 5305

Does the NSN 5305-01-410-8576 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-410-8576 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 5305-01-410-8576 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-410-8576 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 5305-01-410-8576 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Tue, Mar 14, 1995