NAS143-9C

View detailed technical data, stock status, and sourcing information for: NAS143-9C
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-596-1712

Item Name Code

15933

Assigment Date

05/20/1968 (58 years ago)

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

0.667 inches minimum and 0.687 inches maximum recess diameter, 0.568 inches minimum and 0.579 inches maximum hole diameter, 89.0 degrees minimum and 91.0 degrees maximum recess angle, 0.068 inches minimum and 0.088 inches maximum material thickness, 0.958 inches minimum and 0.978 inches maximum outside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 0.568 inches minimum and 0.579 inches maximum
Outside Diameter: 0.958 inches minimum and 0.978 inches maximum
Recess Diameter: 0.667 inches minimum and 0.687 inches maximum
Material Thickness: 0.068 inches minimum and 0.088 inches maximum
Recess Angle: 89.0 degrees minimum and 91.0 degrees maximum
Material: steel comp 1330 or steel comp 4130 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Style Designator: recessed

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-149-9117	No Name Available	07/10/1968

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
10121539	Recessed Washer
152041	Recessed Washer
5310PL0724758	Recessed Washer
9387511106	Recessed Washer
HS6030-1	Recessed Washer
MS20002C9	Recessed Washer
NAS143-9C	Recessed Washer
NASUJ143C	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-596-1712?

The FSCG of the NSN 5310-00-596-1712 is 5310

Does the NSN 5310-00-596-1712 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-596-1712 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 5310-00-596-1712 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-596-1712 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 5310-00-596-1712 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Mon, May 20, 1968