9511309

View detailed technical data, stock status, and sourcing information for: 9511309
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-038-1692

Item Name Code

15933

Assigment Date

01/01/1963 (63 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.

0.441 inches minimum and 0.451 inches maximum hole diameter, 0.135 inches minimum and 0.145 inches maximum material thickness, 0.901 inches minimum and 0.911 inches maximum outside diameter, 0.543 inches minimum and 0.553 inches maximum recess diameter, 27.0 rockwell c minimum and 33.0 rockwell c maximum hardness rating

Product Characteristics

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

Hole Diameter: 0.441 inches minimum and 0.451 inches maximum
Outside Diameter: 0.901 inches minimum and 0.911 inches maximum
Recess Diameter: 0.543 inches minimum and 0.553 inches maximum
Material Thickness: 0.135 inches minimum and 0.145 inches maximum
Hardness Rating: 27.0 rockwell c minimum and 33.0 rockwell c maximum
Recess Angle: 89.500 degrees minimum and 90.500 degrees maximum
Material: steel comp 4130 overall
Material Document And Classification: mil-s-6758 mil spec single material response overall
Style Designator: recessed

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
9511309	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-038-1692?

The FSCG of the NSN 5310-00-038-1692 is 5310

Does the NSN 5310-00-038-1692 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-038-1692 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 5310-00-038-1692 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-038-1692 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 5310-00-038-1692 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963