3530558

View detailed technical data, stock status, and sourcing information for: 3530558
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-201-9035

Item Name Code

15930

Assigment Date

02/23/1985 (41 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

0.848 inches minimum and 0.852 inches maximum radius, 0.040 inches nominal material thickness, 0.115 inches minimum and 0.120 inches maximum hole diameter, casehardened features provided, 0.250 inches nominal outside 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: 0.115 inches minimum and 0.120 inches maximum
Radius: 0.848 inches minimum and 0.852 inches maximum
Outside Diameter: 0.250 inches nominal
Material Thickness: 0.040 inches nominal
Features Provided: casehardened
Surface Finish: 32.0 microinches top
Part Name Assigned By Controlling Agency: navy special project
Special Features: bottom recessed dia 0.145 in. min,0.150 in. max by 90 deg
Material: steel comp 630 overall
Material Document And Classification: ams 5643 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response 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
3530558	Concave Washer

FAQs

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

What is the FSCG of the NSN 5310-01-201-9035?

The FSCG of the NSN 5310-01-201-9035 is 5310

Does the NSN 5310-01-201-9035 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-201-9035 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 5310-01-201-9035 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-201-9035 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 5310-01-201-9035 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Sat, Feb 23, 1985