NAS1291A6M

View detailed technical data, stock status, and sourcing information for: NAS1291A6M
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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.

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

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Below is a list of NSNs that have been officially superseded by this NSN: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