765403-1

View detailed technical data, stock status, and sourcing information for: 765403-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-550-0879

Item Name Code

04890

Assigment Date

01/01/1963 (63 years ago)

0.865 inches minimum and 0.877 inches maximum washer outside diameter, right-hand thread direction, square nut style, 3b thread class, 0.380 inches nominal 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
Washer Outside Diameter: 0.865 inches minimum and 0.877 inches maximum
Overall Height: 0.380 inches nominal
Nut Style: square
Washer Thickness: 0.170 inches nominal
Width Across Flats: 0.840 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.562 inches
Material: steel comp 8740 overall
Material Document And Classification: mil-s-6049 mil spec single material response overall
Nondefinitive Spec/Std Data: c4 table

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
765403-1	Nut,plain,extended Washer,square

FAQs

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

What is the FSCG of the NSN 5310-00-550-0879?

The FSCG of the NSN 5310-00-550-0879 is 5310

Does the NSN 5310-00-550-0879 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-550-0879 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 5310-00-550-0879 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-550-0879 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 5310-00-550-0879 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963