5310-01-072-8256

Find complete technical information, availability, and procurement data for: 5310-01-072-8256
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-072-8256

Item Name Code

01869

Assigment Date

03/04/1979 (47 years ago)

0.740 inches minimum and 0.750 inches maximum outside diameter, 0.247 inches minimum and 0.250 inches maximum hole diameter, 0.025 inches minimum and 0.030 inches maximum external prebent key length, 0.110 inches minimum and 0.120 inches maximum external prebent key width, 0.016 inches nominal distance from centerline to inside of prebent 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: 0.247 inches minimum and 0.250 inches maximum
Outside Diameter: 0.740 inches minimum and 0.750 inches maximum
External Prebent Key Length: 0.025 inches minimum and 0.030 inches maximum
External Prebent Key Width: 0.110 inches minimum and 0.120 inches maximum
Distance From Centerline To Inside Of Prebent Key: 0.016 inches nominal
Overall Distance Including Keys: 0.400 inches nominal
Material Thickness: 0.024 inches minimum and 0.025 inches maximum
Material: copper alloy 268 overall
Material Document And Classification: qq-b-613 1/2 h fed spec single material response or qq-b-626 1/2 h fed spec single material response 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
10554739	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-072-8256?

The FSCG of the NSN 5310-01-072-8256 is 5310

Does the NSN 5310-01-072-8256 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-01-072-8256 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 5310-01-072-8256 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-072-8256 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 5310-01-072-8256 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Sun, Mar 4, 1979