4M398-11

View detailed technical data, stock status, and sourcing information for: 4M398-11
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-502-4857

Item Name Code

13393

Assigment Date

11/07/2002 (23 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

1.634 inches nominal hole diameter, 1.889 inches nominal width, 1.464 inches nominal radius at small end, rectangular cross-sectional shape style, 0.945 inches nominal radius at large end

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 1.634 inches nominal
Width: 1.889 inches nominal
Radius At Small End: 1.464 inches nominal
Radius At Large End: 0.945 inches nominal
Peripheral Shape Style: oval
Center Hole Shape Style: dee
Thickness: 0.030 inches nominal
Length: 2.389 inches nominal
Center Hole Width: 1.762 inches nominal
End Item Identification: f/a-18e aircraft
Criticality Code Justification: agav
Part Name Assigned By Controlling Agency: inavy) washer, tab--safety wire
Special Features: small end of washer is tabbed back at 40-50 degrees beginning 1.070 inches from center of washer hole
Material: steel corrosion resisting 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
4M398-11	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-502-4857?

The FSCG of the NSN 5310-01-502-4857 is 5310

Does the NSN 5310-01-502-4857 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-502-4857 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 5310-01-502-4857 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-502-4857 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 5310-01-502-4857 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Thu, Nov 7, 2002