4M276-2

View detailed technical data, stock status, and sourcing information for: 4M276-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-480-5021

Item Name Code

15933

Assigment Date

11/23/2000 (25 years ago)

A secondary structure whose function is to reduce drag by providing a streamlined surface or covering.

1.100 inches nominal outside diameter, 0.819 inches minimum and 0.830 inches maximum hole diameter, 0.210 inches nominal overall height, 0.180 inches nominal recess depth, 0.140 inches nominal 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: 0.819 inches minimum and 0.830 inches maximum
Outside Diameter: 1.100 inches nominal
Overall Height: 0.210 inches nominal
Recess Depth: 0.180 inches nominal
Material Thickness: 0.140 inches nominal
End Item Identification: f18 e/f
Criticality Code Justification: agav
Special Features: washer,counterbored,cres
Material: steel comp 630 overall
Material Document And Classification: ams 5643 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: recessed

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
4M276-2	Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-01-480-5021?

The FSCG of the NSN 5310-01-480-5021 is 5310

Does the NSN 5310-01-480-5021 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-480-5021 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 5310-01-480-5021 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-480-5021 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 5310-01-480-5021 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Thu, Nov 23, 2000