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5310-00-290-1434

Find complete technical information, availability, and procurement data for: 5310-00-290-1434

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5310-00-290-1434
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-290-1434
Item Name Code
13393
Assigment Date
01/01/1963 (63 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.

0.172 inches nominal thickness, round center hole shape style, rectangular cross-sectional shape style, round peripheral shape style, 0.969 inches nominal hole diameter

Product Characteristics

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

Cross-Sectional Shape Style
rectangular
Hole Diameter
0.969 inches nominal
Peripheral Shape Style
round
Center Hole Shape Style
round
Thickness
0.172 inches nominal
Overall Diameter
1.812 inches nominal
Special Features
three deg chamfer on one inside edge
Material
rubber synthetic overall

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
203099 Flat Washer
5230935 Flat Washer
J1613 Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-290-1434?
The FSCG of the NSN 5310-00-290-1434 is 5310
Does the NSN 5310-00-290-1434 have a Schedule B code assigned?
Yes, the Schedule B code is 4016930000
Does NSN 5310-00-290-1434 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 5310-00-290-1434 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-290-1434 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 5310-00-290-1434 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 1
New Surplus 1
Serviceable 1
Total 3
Availability of this item was last updated on: 01/22/2026 05:01 PM EST. Stock levels and pricing are subject to change.

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