5310-00-740-3378

Find complete technical information, availability, and procurement data for: 5310-00-740-3378
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-740-3378

Item Name Code

01869

Assigment Date

01/01/1963 (63 years ago)

1.370 inches minimum and 1.390 inches maximum outside diameter, 0.390 inches minimum and 0.410 inches maximum distance from centerline to inside of prebent key, 0.190 inches minimum and 0.210 inches maximum internal prebent key width, 0.970 inches minimum and 0.990 inches maximum hole diameter, 0.368 inches minimum and 0.408 inches maximum internal prebent key length

Product Characteristics

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

Hole Diameter: 0.970 inches minimum and 0.990 inches maximum
Outside Diameter: 1.370 inches minimum and 1.390 inches maximum
Internal Prebent Key Length: 0.368 inches minimum and 0.408 inches maximum
Internal Prebent Key Width: 0.190 inches minimum and 0.210 inches maximum
Distance From Centerline To Inside Of Prebent Key: 0.390 inches minimum and 0.410 inches maximum
Internal Key Quantity: 2
Material Thickness: 0.022 inches minimum and 0.042 inches maximum
Hardness Rating: 62.0 rockwell a maximum
Special Features: centerline of second key located 22 deg and 30 minutes counterclockwise from centerline of first key
Heat Treatment: as fabricated
Material: steel overall
Material Document And Classification: ams6350 assn std single material response overall
Surface Treatment: oxide film overall
Surface Treatment Document And Classification: ams2485 assn std single treatment response overall

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
1-080-267-01	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-00-740-3378?

The FSCG of the NSN 5310-00-740-3378 is 5310

Does the NSN 5310-00-740-3378 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-740-3378 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 5310-00-740-3378 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-740-3378 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 5310-00-740-3378 was assigned to the Federal Catalog?

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