NAS1291C8M

View detailed technical data, stock status, and sourcing information for: NAS1291C8M
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-458-2115

Item Name Code

29730

Assigment Date

05/09/1969 (57 years ago)

prevailing torque all metal design locking feature, right-hand thread direction, dry film lubricant lubrication, 0.814 inches maximum washer outside diameter, 3b 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: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.814 inches maximum
Lubrication: dry film lubricant
Overall Height: 0.350 inches minimum and 0.410 inches maximum
Nut Style: hexagon
Washer Thickness: 0.040 inches minimum
Width Across Flats: 0.556 inches minimum and 0.566 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.500 inches
Countersink Angle: 120.0 degrees nominal nut
Material: iron alloy 660 overall
Material Document And Classification: ams 5732 assn std single material response or ams 5737 assn std single material response or ams 5525 assn std single material response overall
Surface Treatment: passivate overall

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
10121396	Extended Washer Self-Locking Nut
NAS1291C8M	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-458-2115?

The FSCG of the NSN 5310-00-458-2115 is 5310

Does the NSN 5310-00-458-2115 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-458-2115 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 5310-00-458-2115 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-458-2115 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 5310-00-458-2115 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, May 9, 1969