5310-01-091-1242

Find complete technical information, availability, and procurement data for: 5310-01-091-1242
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-091-1242

Item Name Code

01869

Assigment Date

03/01/1980 (46 years ago)

0.345 inches minimum and 0.355 inches maximum outside diameter, 0.095 inches nominal distance from centerline to top of internal key, 0.044 inches minimum and 0.045 inches maximum internal straight key width, 0.250 inches minimum and 0.255 inches maximum hole diameter, 2 internal key quantity

Product Characteristics

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

Hole Diameter: 0.250 inches minimum and 0.255 inches maximum
Outside Diameter: 0.345 inches minimum and 0.355 inches maximum
Internal Straight Key Width: 0.044 inches minimum and 0.045 inches maximum
Distance From Centerline To Top Of Internal Key: 0.095 inches nominal
Internal Key Quantity: 2
Material Thickness: 0.021 inches minimum and 0.029 inches maximum
Hardness Rating: 950.0 rockwell h maximum
Material: steel comp 631 overall
Material Document And Classification: mil-s-25043 mil spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment 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
CA21089-C-4R	Key Washer

FAQs

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

What is the FSCG of the NSN 5310-01-091-1242?

The FSCG of the NSN 5310-01-091-1242 is 5310

Does the NSN 5310-01-091-1242 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-091-1242 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 5310-01-091-1242 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-091-1242 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 5310-01-091-1242 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Sat, Mar 1, 1980