8691013

View detailed technical data, stock status, and sourcing information for: 8691013
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-283-0989

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.

1.376 inches nominal recess diameter, 1.625 inches nominal outside diameter, 0.062 inches nominal recess depth, 1.251 inches minimum and 1.252 inches maximum hole diameter, 0.092 inches minimum and 0.096 inches maximum overall height

Product Characteristics

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

Hole Diameter: 1.251 inches minimum and 1.252 inches maximum
Outside Diameter: 1.625 inches nominal
Overall Height: 0.092 inches minimum and 0.096 inches maximum
Recess Diameter: 1.376 inches nominal
Recess Depth: 0.062 inches nominal
Material Thickness: 0.092 inches minimum and 0.096 inches maximum
Special Features: 0.062 in. by 45.0 deg chamfer on both od edges
Material: steel comp 4140 and steel comp 4150 overall
Material Document And Classification: qq-s-624 fed spec 1st material response or qq-s-624 fed spec 2nd 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
8691013	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-283-0989?

The FSCG of the NSN 5310-00-283-0989 is 5310

Does the NSN 5310-00-283-0989 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-283-0989 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 5310-00-283-0989 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-283-0989 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 5310-00-283-0989 was assigned to the Federal Catalog?

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