NAS1291C6M

View detailed technical data, stock status, and sourcing information for: NAS1291C6M
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-879-0669

Item Name Code

29730

Assigment Date

01/01/1962 (64 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

prevailing torque all metal design locking feature, 0.269 inches minimum and 0.282 inches maximum overall height, 0.620 inches nominal washer outside diameter, 3b thread class, right-hand thread direction

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: 0.620 inches nominal
Overall Height: 0.269 inches minimum and 0.282 inches maximum
Nut Style: hexagon
Washer Thickness: 0.030 inches nominal
Width Across Flats: 0.430 inches minimum and 0.440 inches maximum
Temp Rating: 550.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Material: steel corrosion resisting overall
Surface Treatment: passivate overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-050-6898	No Name Available	10/21/1968

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
457-5590	Extended Washer Self-Locking Nut
5310008790669	Extended Washer Self-Locking Nut
5310PL1672969	Extended Washer Self-Locking Nut
568-4-24347-006	Extended Washer Self-Locking Nut
83963-6L	Extended Washer Self-Locking Nut
860292-0010	Extended Washer Self-Locking Nut
860292-10	Extended Washer Self-Locking Nut
95-75893	Extended Washer Self-Locking Nut
950228--00	Extended Washer Self-Locking Nut
AS8650J	Extended Washer Self-Locking Nut
FB1014M634	Extended Washer Self-Locking Nut
H42-6	Extended Washer Self-Locking Nut
NAS1291A6M	Extended Washer Self-Locking Nut
NAS1291C06M2	Extended Washer Self-Locking Nut
NAS1291C6M	Extended Washer Self-Locking Nut
P32800	Extended Washer Self-Locking Nut
RMLH3858-064	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-879-0669?

The FSCG of the NSN 5310-00-879-0669 is 5310

Does the NSN 5310-00-879-0669 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-879-0669 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 5310-00-879-0669 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-879-0669 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 5310-00-879-0669 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962