NAS1581C6R16

View detailed technical data, stock status, and sourcing information for: NAS1581C6R16
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-629-9816

Item Name Code

29294

Assigment Date

07/22/2014 (12 years ago)

A collection of common and/or specially designed hardware items not all having the same name, such as grommets, washers, brackets, mounting plates, clamps, nuts and bolts, specifically designed to fasten or attach (1) an accessory to any other mechanical component or equipment or (2) a mechanical equipment to any other equipment or component.

0.594 inches nominal thread length, 1.498 inches minimum and 1.528 inches maximum fastener length, 3a thread class, right-hand thread direction, flat countersunk undercut 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: 3a
Thread Direction: right-hand
Thread Length: 0.594 inches nominal
Fastener Length: 1.498 inches minimum and 1.528 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.5149 inches minimum and 0.5662 inches maximum
Head Height: 0.081 inches nominal
Grip Diameter: 0.3735 inches minimum and 0.3745 inches maximum
Internal Drive Style: torque-set ribbed
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.990 inches minimum and 1.010 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 7200 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel corrosion resisting overall
Material Document And Classification: a-286 ams 5731,5732,5737,,5853 assn std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 mil spec all treatment responses 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
NAS1581C6R16	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-629-9816?

The FSCG of the NSN 5305-01-629-9816 is 5305

Does the NSN 5305-01-629-9816 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-629-9816 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 5305-01-629-9816 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-629-9816 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 5305-01-629-9816 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Tue, Jul 22, 2014