5310-01-154-3990

Find complete technical information, availability, and procurement data for: 5310-01-154-3990
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-154-3990

Item Name Code

01869

Assigment Date

05/25/1983 (43 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

2.172 inches minimum and 2.187 inches maximum outside diameter, 0.500 inches nominal external straight key width, 0.234 inches minimum and 0.244 inches maximum internal straight key width, 1.640 inches nominal hole diameter, 0.740 inches minimum and 0.750 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: 1.640 inches nominal
Outside Diameter: 2.172 inches minimum and 2.187 inches maximum
External Straight Key Width: 0.500 inches nominal
Internal Straight Key Width: 0.234 inches minimum and 0.244 inches maximum
Distance From Centerline To Top Of Internal Key: 0.740 inches minimum and 0.750 inches maximum
Overall Distance Including Keys: 2.520 inches nominal
External Key Quantity: 4
Internal Key Quantity: 1
Material Thickness: 0.100 inches minimum and 0.108 inches maximum
Special Features: sixteen holes 0.125 in.dia equally spaced on 1.914 in.bolt circle
Material: steel comp 1010 overall
Material Document And Classification: sae assn std single material 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
14026772	Key Washer
17-01-014-001	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-154-3990?

The FSCG of the NSN 5310-01-154-3990 is 5310

Does the NSN 5310-01-154-3990 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-154-3990 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 5310-01-154-3990 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-154-3990 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 5310-01-154-3990 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, May 25, 1983