BB1311

View detailed technical data, stock status, and sourcing information for: BB1311
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-274-9270

Item Name Code

01869

Assigment Date

01/01/1963 (63 years ago)

1 internal key quantity, 2.062 inches nominal outside diameter, 0.523 inches nominal distance from centerline to top of internal key, 0.234 inches nominal internal straight key width, 1.265 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.

Hole Diameter: 1.265 inches nominal
Outside Diameter: 2.062 inches nominal
Internal Straight Key Width: 0.234 inches nominal
Distance From Centerline To Top Of Internal Key: 0.523 inches nominal
Internal Key Quantity: 1
Material Thickness: 0.062 inches nominal
Material: steel overall
Style Designator: key

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-362-3727	No Name Available	01/01/1963

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
11697A	Key Washer
7086693	Key Washer
BB1311	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-274-9270?

The FSCG of the NSN 5310-00-274-9270 is 5310

Does the NSN 5310-00-274-9270 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-274-9270 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 5310-00-274-9270 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-274-9270 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 5310-00-274-9270 was assigned to the Federal Catalog?

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