5310-00-187-2427

Find complete technical information, availability, and procurement data for: 5310-00-187-2427
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-187-2427

Item Name Code

14218

Assigment Date

01/01/1963 (63 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

0.382 inches minimum and 0.393 inches maximum hole diameter, 155000 pounds per square inch minimum tensile strength, 0.683 inches maximum outside diameter, 0.094 inches minimum and 0.104 inches maximum material thickness, mrap rg-33 end item identification

Product Characteristics

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

Hole Diameter: 0.382 inches minimum and 0.393 inches maximum
Outside Diameter: 0.683 inches maximum
Material Thickness: 0.094 inches minimum and 0.104 inches maximum
End Item Identification: mrap rg-33
Minimum Tensile Strength: 155000 pounds per square inch
Hardness Rating: 33.0 rockwell c minimum and 40.0 rockwell c maximum
Material: nickel alloy a overall
Material Document And Classification: qq-n-286 fed spec single material response overall
Style Designator: split helical-right hand

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-209-0754	No Name Available	12/01/1992

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
004-003005-003	Lock Washer
1737560-30	Lock Washer
2477283PC18	Lock Washer
99D5DBTPC503B	Lock Washer
MS35338-122	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-187-2427?

The FSCG of the NSN 5310-00-187-2427 is 5310

Does the NSN 5310-00-187-2427 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5310-00-187-2427 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 5310-00-187-2427 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-187-2427 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 5310-00-187-2427 was assigned to the Federal Catalog?

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