NAS1790C3R10

View detailed technical data, stock status, and sourcing information for: NAS1790C3R10
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-568-5008

Item Name Code

29294

Assigment Date

10/31/2008 (17 years ago)

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.

0.963 inches nominal fastener length, 3a thread class, 0.338 inches nominal thread length, right-hand thread direction, flat countersunk 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: 0.338 inches nominal
Fastener Length: 0.963 inches nominal
Head Style: flat countersunk
Head Diameter: 0.381 inches maximum
Grip Diameter: 0.189 inches nominal
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.625 inches nominal
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single 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
NAS1790C3R10	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-568-5008?

The FSCG of the NSN 5305-01-568-5008 is 5305

Does the NSN 5305-01-568-5008 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-568-5008 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 5305-01-568-5008 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-568-5008 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 5305-01-568-5008 was assigned to the Federal Catalog?

It was assigned 17 years ago, on Fri, Oct 31, 2008