42518A

View detailed technical data, stock status, and sourcing information for: 42518A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-056-4229

Item Name Code

15938

Assigment Date

02/21/1978 (48 years ago)

1.040 inches minimum and 1.060 inches maximum outside diameter, 0.044 inches nominal overall height, 0.630 inches minimum and 0.635 inches maximum hole diameter, three holes equally spaced,0.040 in. min to 0.050 in.max dia special features, 0.011 inches minimum and 0.013 inches maximum material thickness

Product Characteristics

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

Hole Diameter: 0.630 inches minimum and 0.635 inches maximum
Outside Diameter: 1.040 inches minimum and 1.060 inches maximum
Overall Height: 0.044 inches nominal
Material Thickness: 0.011 inches minimum and 0.013 inches maximum
Special Features: three holes equally spaced,0.040 in. min to 0.050 in.max dia
Material: steel comp 347 or steel comp 304 overall
Material Document And Classification: qq-s-763 fed spec 1st material response or mil-s-5059 mil spec 2nd material response overall
Style Designator: spring tension

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
42518A	Spring Tension Washer
585191-1	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-01-056-4229?

The FSCG of the NSN 5310-01-056-4229 is 5310

Does the NSN 5310-01-056-4229 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-056-4229 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 5310-01-056-4229 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-056-4229 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 5310-01-056-4229 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Tue, Feb 21, 1978