19-90070-029

View detailed technical data, stock status, and sourcing information for: 19-90070-029
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-470-3352

Item Name Code

01869

Assigment Date

01/15/1971 (55 years ago)

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

0.211 inches minimum and 0.214 inches maximum hole diameter, 0.039 inches minimum and 0.042 inches maximum internal straight key width, 0.045 inches minimum and 0.057 inches maximum distance from centerline to top of internal key, 0.283 inches minimum and 0.285 inches maximum outside diameter, 0.119 inches minimum and 0.129 inches maximum external straight key width

Product Characteristics

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

Hole Diameter: 0.211 inches minimum and 0.214 inches maximum
Outside Diameter: 0.283 inches minimum and 0.285 inches maximum
External Straight Key Width: 0.119 inches minimum and 0.129 inches maximum
Internal Straight Key Width: 0.039 inches minimum and 0.042 inches maximum
Distance From Centerline To Top Of Internal Key: 0.045 inches minimum and 0.057 inches maximum
Overall Distance Including Keys: 0.289 inches minimum and 0.291 inches maximum
External Key Quantity: 6
Internal Key Quantity: 1
Material Thickness: 0.060 inches minimum and 0.064 inches maximum
Special Features: 0.015 in radius both edges of internal key
Material: copper alloy 11 overall
Material Document And Classification: qq-b-613 1/2 hard fed spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Style Designator: key

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
19-90070-029	Key Washer
3711128	Key Washer
546769	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-470-3352?

The FSCG of the NSN 5310-00-470-3352 is 5310

Does the NSN 5310-00-470-3352 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-00-470-3352 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 5310-00-470-3352 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-470-3352 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 5310-00-470-3352 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Jan 15, 1971