5310-00-171-4278

Find complete technical information, availability, and procurement data for: 5310-00-171-4278
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-171-4278

Item Name Code

01869

Assigment Date

02/14/1973 (53 years ago)

0.090 inches minimum and 0.110 inches maximum internal straight key width, 1.420 inches minimum and 1.440 inches maximum hole diameter, 0.090 inches minimum and 0.110 inches maximum external straight key width, 1.650 inches minimum and 1.660 inches maximum outside diameter, 0.610 inches minimum and 0.615 inches maximum distance from centerline to top of internal key

Product Characteristics

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

Hole Diameter: 1.420 inches minimum and 1.440 inches maximum
Outside Diameter: 1.650 inches minimum and 1.660 inches maximum
External Straight Key Width: 0.090 inches minimum and 0.110 inches maximum
Internal Straight Key Width: 0.090 inches minimum and 0.110 inches maximum
Distance From Centerline To Top Of Internal Key: 0.610 inches minimum and 0.615 inches maximum
Overall Distance Including Keys: 1.840 inches minimum and 1.860 inches maximum
External Key Quantity: 3
Internal Key Quantity: 2
Material Thickness: 0.046 inches minimum and 0.054 inches maximum
Hardness Rating: 32.0 rockwell c minimum and 36.0 rockwell c maximum
Surface Finish: 63.0 microinches all surfaces
Special Features: washer curved from the flat 0.030 in. min 0.050 in. max
Material: steel overall
Material Document And Classification: ams 6350 assn std single material response overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: +16-te5 cl 1 99207 mfr ref 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
4018T81P07	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-171-4278?

The FSCG of the NSN 5310-00-171-4278 is 5310

Does the NSN 5310-00-171-4278 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-171-4278 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 5310-00-171-4278 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-171-4278 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 5310-00-171-4278 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Feb 14, 1973