R002304

View detailed technical data, stock status, and sourcing information for: R002304
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-321-9974

Item Name Code

01869

Assigment Date

01/01/1963 (63 years ago)

0.375 inches nominal internal straight key width, 1 internal key quantity, 3.255 inches minimum and 3.265 inches maximum hole diameter, 4.500 inches nominal outside diameter, 3.338 inches nominal distance from centerline to top of internal key

Product Characteristics

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

Hole Diameter: 3.255 inches minimum and 3.265 inches maximum
Outside Diameter: 4.500 inches nominal
Internal Straight Key Width: 0.375 inches nominal
Distance From Centerline To Top Of Internal Key: 3.338 inches nominal
Internal Key Quantity: 1
Material Thickness: 0.249 inches minimum and 0.279 inches maximum
Special Features: sixteen 0.328 in. dia holes spaced equally on 3.813 in. dia center line
Material: steel 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
1229U1009	Key Washer
2568P11	Key Washer
69305R1	Key Washer
R002304	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-321-9974?

The FSCG of the NSN 5310-00-321-9974 is 5310

Does the NSN 5310-00-321-9974 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-321-9974 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 5310-00-321-9974 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-321-9974 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 5310-00-321-9974 was assigned to the Federal Catalog?

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