NAS1291C10M

View detailed technical data, stock status, and sourcing information for: NAS1291C10M
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-956-4307

Item Name Code

29730

Assigment Date

05/13/1966 (60 years ago)

right-hand thread direction, prevailing torque all metal design locking feature, 0.490 inches minimum and 0.550 inches maximum overall height, 3b thread class, 1.014 inches maximum washer outside diameter

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: 1.014 inches maximum
Overall Height: 0.490 inches minimum and 0.550 inches maximum
Nut Style: hexagon
Washer Thickness: 0.050 inches minimum
End Item Identification: 4730-01-329-8545
Width Across Flats: 0.743 inches minimum and 0.755 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.625 inches
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
10121883	Extended Washer Self-Locking Nut
65E316A-4323A ITEM 7	Extended Washer Self-Locking Nut
NAS1291C10M	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-956-4307?

The FSCG of the NSN 5310-00-956-4307 is 5310

Does the NSN 5310-00-956-4307 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-956-4307 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 5310-00-956-4307 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-956-4307 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 5310-00-956-4307 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, May 13, 1966