903-5912048PC8

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-417-5157

Item Name Code

29730

Assigment Date

08/09/1995 (31 years ago)

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

right-hand thread direction, 0.495 inches minimum and 0.505 inches maximum overall height, 2b thread class, prevailing torque all metal design locking feature, 0.795 inches minimum and 0.805 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: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.795 inches minimum and 0.805 inches maximum
Overall Height: 0.495 inches minimum and 0.505 inches maximum
Nut Style: hexagon
Washer Thickness: 0.057 inches minimum and 0.067 inches maximum
Width Across Flats: 0.672 inches minimum and 0.688 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.500 inches
Material: steel overall
Material Document And Classification: mil-s-23284 mil spec single material response 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
903-5912048PC8	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-417-5157?

The FSCG of the NSN 5310-01-417-5157 is 5310

Does the NSN 5310-01-417-5157 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-417-5157 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 5310-01-417-5157 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-417-5157 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 5310-01-417-5157 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Aug 9, 1995