NAS1581K3T26

View detailed technical data, stock status, and sourcing information for: NAS1581K3T26
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-538-0942

Item Name Code

29294

Assigment Date

03/09/2006 (20 years ago)

flat countersunk head style, 1.973 inches minimum and 2.003 inches maximum fastener length, 3a thread class, right-hand thread direction, 0.363 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: 0.363 inches nominal
Fastener Length: 1.973 inches minimum and 2.003 inches maximum
Head Style: flat countersunk
Head Diameter: 0.257 inches nominal
Grip Diameter: 0.189 inches nominal
Internal Drive Style: offset cruciform (torque set)
End Item Identification: c-17 arcft
Nominal Thread Diameter: 0.190 inches
Grip Length: 1.610 inches minimum and 1.640 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: screw,close tolerance
Material: titanium alloy uns r54520 overall
Material Document And Classification: ams 4928 assn std 1st material response or ams 4967 assn std 2nd material response 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
NAS1581K3T26	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-538-0942?

The FSCG of the NSN 5305-01-538-0942 is 5305

Does the NSN 5305-01-538-0942 have a Schedule B code assigned?

Yes, the Schedule B code is 8108908000

Does NSN 5305-01-538-0942 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 5305-01-538-0942 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-538-0942 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 5305-01-538-0942 was assigned to the Federal Catalog?

It was assigned 20 years ago, on Thu, Mar 9, 2006