5310-00-261-7156

Find complete technical information, availability, and procurement data for: 5310-00-261-7156
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-261-7156

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.

40.0 rockwell c minimum and 50.0 rockwell c maximum hardness rating, 0.867 inches minimum and 0.900 inches maximum outside diameter, multiple launch rocket system (mlrs) end item identification, 0.512 inches minimum and 0.530 inches maximum hole diameter, 0.037 inches minimum and 0.045 inches maximum material thickness

Product Characteristics

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

Hole Diameter: 0.512 inches minimum and 0.530 inches maximum
Outside Diameter: 0.867 inches minimum and 0.900 inches maximum
Material Thickness: 0.037 inches minimum and 0.045 inches maximum
End Item Identification: multiple launch rocket system (mlrs)
Hardness Rating: 40.0 rockwell c minimum and 50.0 rockwell c maximum
Material: steel comp 410 overall
Material Document And Classification: 66 fed std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35,ty 2 or ty 3 fed spec single treatment response overall
Style Designator: flat internal teeth
Nondefinitive Spec/Std Data: 1 type and a grade and 1 style and 2 composition

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-058-3156	No Name Available	07/01/1980
5310-00-620-8188	No Name Available	01/01/1963

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
10372544	Lock Washer
5310002617156	Lock Washer
824637-13	Lock Washer
MS35333-78	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-00-261-7156?

The FSCG of the NSN 5310-00-261-7156 is 5310

Does the NSN 5310-00-261-7156 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-00-261-7156 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 5310-00-261-7156 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-261-7156 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 5310-00-261-7156 was assigned to the Federal Catalog?

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