5310-01-320-7175

Find complete technical information, availability, and procurement data for: 5310-01-320-7175
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-320-7175

Item Name Code

01869

Assigment Date

06/02/1990 (36 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.

0.266 inches minimum and 0.286 inches maximum outside diameter, 2 internal key quantity, 0.05675 inches nominal distance from centerline to top of internal key, 0.032 inches minimum and 0.036 inches maximum internal straight key width, 0.171 inches minimum and 0.181 inches maximum hole diameter

Product Characteristics

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

Hole Diameter: 0.171 inches minimum and 0.181 inches maximum
Outside Diameter: 0.266 inches minimum and 0.286 inches maximum
Internal Straight Key Width: 0.032 inches minimum and 0.036 inches maximum
Distance From Centerline To Top Of Internal Key: 0.05675 inches nominal
Internal Key Quantity: 2
Material Thickness: 0.028 inches minimum and 0.038 inches maximum
Material: steel comp 631 overall
Material Document And Classification: mil-s-25043 mil spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 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
560R537H02	Key Washer
76000187-005	Key Washer
82639-2	Key Washer
FT1761-8P	Key Washer
G371929-1	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-320-7175?

The FSCG of the NSN 5310-01-320-7175 is 5310

Does the NSN 5310-01-320-7175 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-320-7175 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 5310-01-320-7175 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-320-7175 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 5310-01-320-7175 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sat, Jun 2, 1990